The astronaut is so tired that he ____ for eleven hours.
A. has been asleep B. has fallen asleep
C. has gone to bed D. has gone to sleep
— ________?
— He is modest and energetic.
A. What does your monitor like? B. How do you think of your monitor?
C. How do you like your monitor? D. What do you like your monitor?
— 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
