Exercise 3: Find the one mistake (A, B, C or D) in these sentences and then correct them:
1/ Does that book (A) tell (B) a story (C) of his life from (D) A to Z?
2/ Discovering (A) a therapy (B) for cancer is (C) one of (D) biggest challenges facing medical researchers.
3/ We think it's not (A) one good idea to spend many hours at (B) the wheel (= driving (C) a vehicle) without (D) a break.
4/ Do you agree that (A) an apple (B) a day keeps (C) a doctor (D) away?
5/ As (A) often as not when he (B) makes (C) an effort to visit his friend, he wonders (D) why he’s even worried.
6/ Satellite technology offers (A) the chance, as (B) ever before, (C) for continuous television coverage (D) of major international events.
7/ Every so (A) often he treats (B) him to (C) a meal in (D) a luxurious restaurant.
8/ (A) Sometime I take food (B) with me and (C) sometimes I buy food (D) when I’m there.
9/ (A) Seldom they receive (B) any apology when (C) mistakes (D) are made.
10/ (A) Hard had (B) a moment passed (C) before (D) the door creaked open.
Exercise 4: Supply the correct form of the word in brackets:
1/ We are concerned with the physical and (psychology) _______ well-being of our employees.
2/ I'm trying to be more (adventure) _______ with my cooking.
3/ My most (embarrass) _______ moment was trying to introduce a woman whose name I couldn't remember.
4/ The prime minister denied that the new visa requirements were part of a (hide) _______ agenda to reduce immigration.
5/ We spent a (luxury) _______ weekend at a country hotel.
6/ (Tragic) _______, the side-effects of the drug were not discovered until many people had been seriously damaged by it.
7/ There is possibly less chance of another World War while the last one is within (live) _______ memory.
8/ Please give (generous) _______ to Children in Need.
9/ Paul's always very (smart) _______ dressed.
10/ The (discover) _______ of a body in the undergrowth started a murder enquiry.
Exercise 5: Fill in each gap with the most suitable preposition:
1/ They work _______ the night and sleep _______ day.
2/ They live _______ that old farmhouse _______ the hill.
3/ I've been _______ this job _______ thirty years, and I've picked _______ a good deal _______ expertise _______ the way.
4/ The improvement has been _______ the board, _______ all divisions either increasing profits _______ reducing losses.
5/ Her name comes _______ mine _______ the list.
6/ _______ AD 79 the city _______ Pompei was buried _______ a layer _______ ash seven metres deep.
7/ He's been _______ the department (= working _______ it) _______ 1982.
8/ She's _______ _______ the office _______ a few days next week.
9/ I felt frightened _______ the anger _______ his voice.
10/ _______ the top _______ the tower you could see _______ miles _______ the city.
Chọn D, vì các nguyên tố cùng nhóm sẽ có cùng tính chất