37.   What ___happened_________ (happen) when they arrived? – The seats were being filled.

138.   They ____were completing ________ (complete) their papers when the bell rang.

139.   If you were there, you ___would meet _________ (meet) Miss Hoa.

140.   He wisher he ____were________ (be) a bird.

141.   Have you ever tried _____swimming_______ (swim) across the river?

142.   He kept looking at her, wondering where he _____had seen_______ (see) her before.

143.   He usually _____writes_______ (write) in ink.

144.   Trees _____have planted_______ (plant) since it stopped raining last month.

145.   It ____starts________ (start) to rain while you were sleeping.

146.   I’ll wait until you ____finish________ (finish) your homework.

147.   He acts as if he ___knew_________ (know) English perfectly.

148.   We haven’t heard of him since we last _____met_______ (meet).

149.   The rain has made the children ______to stop______ (stop) their games.

150.   I’ll have my house ____painted________ (paint) tomorrow.

151.   My sister wishes she _____met_______ (meet) you.

152.   The dog is ____said________ (say) to be man’s best friend.

153.   I ______would tell ______ (tell) him the truth if I were you.