137. What ____________ (happen) when they arrived? – The seats were being filled.
138. They ____________ (complete) their papers when the bell rang.
139. If you were there, you ____________ (meet) Miss Hoa.
140. He wisher he ____________ (be) a bird.
141. Have you ever tried ____________ (swim) across the river?
142. He kept looking at her, wondering where he ____________ (see) her before.
143. He usually ____________ (write) in ink.
144. Trees ____________ (plant) since it stopped raining last month.
145. It ____________ (start) to rain while you were sleeping.
146. I’ll wait until you ____________ (finish) your homework.
147. He acts as if he ____________ (know) English perfectly.
148. We haven’t heard of him since we last ____________ (meet).
149. The rain has made the children ____________ (stop) their games.
150. I’ll have my house ____________ (paint) tomorrow.
151. My sister wishes she ____________ (meet) you.
152. The dog is ____________ (say) to be man’s best friend.
153. I ____________ (tell) him the truth if I were you.
