— Where is Millie?
— She _________in her bedroom 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
— Will you come to the dinner party?
— I won’t come unless my best friend Kitty ___________.
A. is invited B. will be invited C. invites D. invited
— Could you tell me __________?
— At 8:35, in twenty minutes.
A. when the train took off B. how soon will the train take off
C. whether the train has taken off 
D. when the train will take off
— Look! Some people are running the red lights.
— We should wait _________ others are breaking the rule.
A. if B. although C. unless D. because
A large number of _______ will visit the Great Wall tomorrow.
A. American B. English C. Canadian D. Japanese
He offered ______ valuable advice that ______people disagreed.
A. such; a few B. such;few C. so; a few D. so;few
