We won’t go to the park if it ______ tomorrow.
A. is snowing B. will snow C. snows D. snowed
Jack is the most intelligent man____ I’ve ever met.
A. that B. what C. which D. where
While______ in Scotland, he made friends with the native there.
A. working B. worked C. he works D. he is working
--- Have you really been to visit the Bird’s Nest in Beijing?
---- I ______ it last summer vacation.
A. do visited B. do visit C.did visited D. did visit
Ten minutes had been made full ____ of ____ the problem.
A. using; studying B. use; to study
C. to use; to study D. use; studying
These flowers are pleasant to ______.
A. be looked at B. look at C. looking at D.for looking at
