Only when he told me________what trouble he was in.
A．did I realize B．I realized
C．do I realize D．I realize
He has decided to settle ____in France because he is fond of the romantic country.
A. temporary B. temporarily
C. permanent D. permanently
There are a number of methods to provide relief from your toothache, which can’t cure the problem.
A. permanent B. temporary
C. contemporary D. consequent
___ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.
A. It B. As C. Although D. Unless
____ I'm mistaken, I've seen that tall man at a party before.
A． If B． As
C． Unless D． When
Paper produced every year is ________ the world’s production of vehicles.
A. the three times weight of
B. heavier three times than
C. as three times heavy as
D. three times the weight of
