— Are there any flights for Hong Kong tomorrow?
— _______ Why not give a call to find it out?
A. I’ve no idea. B. It depends.
C. Why not stay longer? D. Are you leaving?
They urged that the library ______ open during the vacation.
A. must be kept B. is kept C. would be kept D. be kept
The environmentalists said wild goats’______ on the vast grasslands was a good indication of the better environment.
A. escape B. absence C. attendance D. appearance
— _______ I ask you something, if you are not busy?
—Yes, of course you _______.
A. Should; should B. Could; can
C. Could; could D. Can; Could
We should take good care of the elderly, as they are ______ to the sudden change of weather.
A. sensitive B. anxious C. weak D. positive
Can you think of some cases______ drivers obviously knew the traffic rules but he didn’t obey them.
A. why B. where C. as D. while
