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
He is very good at carpentering, though ______.
A. is very young B. very young
C. he very young D. he was very young
My last job lacked variety; I __________ the same things all the time.
A. did B. have done C. was doing D. have been doing
