2.　　　 Three years __________ not a long time.

A. is　　　　　　　 B. are　　　　　　 C. has　　　　　　 D. be

1.　　　 You and I __________ of the same age.

A. am　　　　　　 B. are　　　　　　 C. be　　　　　　　 D. is

143. When I saw him, he was busy ___________ (read) a new

主谓一致专练

142. Let the boy ___________ (do) it by himself.

141. Ann had no time ___________ (open) these presents.

140. My father often tells me ___________ (not swim) in the river because it's over 4 metres deep.

139. They want ___________ (take) some fruit with them.

138. Cody is a good dog. He likes ___________ (follow) people.

137. The box is too heavy ___________ (carry).

136. It took me about an hour ___________ (go) to work by bus.