-- Do you still remember when we went to Nanjing?
--- I can’t remember now but _________ sometime last summer?
A．might it be B．could it be C．could it have been D．should it have been
The telephone ______ three times in the last hour, and each time it _____ for my father.
A．had rung; was B．has been ringing; is C．rang; has been D．has rung; was
Much to his surprise，he invited only twenty friends to the dinner，but____ came．
A．twice as many as B．as many as twice C．twice as many D．twice more than
Whether ways will be found to help China _______ the current world financial crisis is just _______ worries the public.
A．prevent ;that B．survive ;what C．forbid; that D．leave ;what
The bill would ______ workers twelve weeks of unpaid leave for family emergencies.
A．permit B．supply C．admit D．provide
______ two exams to worry about, I have to work really hard this weekend.
A．With B．Besides C．As for D．Because of
