Fill in the blanks with Relative pronoun or Relative adverbs. Put commas when they are needed:
1) Alexander Fleming ... discovered penicillin received the Nobel Prize in 1945.
2) The book ... I need can't be found in the library.
3) Here is the beach ... is the safest for swimmers.
4) Do you know the American woman ... name is Margaret Mitchell.
5) Jim ... I have known for ten years is one of my closest friends.
6) John found a cat ... leg was broken.
7) Don't sit on the chair ... the leg is broken.
8) This tree ... branches are dry should be cut down.
9) The child smiled at the woman ... he didn't know.
10) That woman ... name I don't remember is a doctor.
11) Children enjoy reading the books ... have coloured pictures.
12) I met someone ... said he knew you.
13) The noise ... he made woke everybody up.
14) The film is about a spy ... wife betrays him.
15) Those girls ... serve in the restaurant are the owner's daughters.
16) The house ... walls and roof are made of glass is a green house.
17) Rod Lee ... sister I know is a film actor.
18) Mr. Bake will buy the house ... is opposite to my house.
19) You have to take care of the books ... you borrowed from the library.
20) Karl Marx ... theories have changed the world's history is the German Philosopher.
21) Let me see all the letters ... you have written.
22) Is there anyone ... can help me do this?
23) Mr. Brown ... is only 34 is the director of this company.
24) The chief of Police, ... work is very important, takes care of the public safety.
25) I know a place ... roses grow in abundance.
26) The teacher with ... we studied last year no longer teaches in our school.
27) They showed me the hospital ... buildings had been destroyed by bombings.
28) We saw many soldiers and tanks ... were moving to the front.
29) We must find a time ... we can meet and a place ... we can talk.
30) The decision was postponed, ... was exactly what he wanted.
