He ____ in the classroom just now. He ____ be there now .
A. heard to sing; may B. was heard sing; must
C. heard sing; must D. was heard to sing; may
–Would you mind ____ my pet dog while I'm away?
–Sure, no problem .
A. take care of B. taking care
C. to take care of D. taking care of
–My parents always tell me ____ others late at night .
–They're right. It's not polite .
A. call B. not call C. to call D. not to call
–It _____ the Chinese people eight years to build the Three Gorges Dam (三峡大坝) . –How great!
A. spends B. costs C. paid D. Took
–How was your weekend ? –Great! We ____ a picnic by the lake .
A. have B. are having C. had D. will have
-Can you understand me ?
- Sorry, I can ____ understand what you have said .
A. hardly B. almost C. nearly D. Easily