Young people tend to get up very late unless ________ to rise early.
#83368
A
required
B
requiring
C
they were required
D
to require
推荐题目
Only __ as an interpreter __ how important it was to practise speaking English.
#83211
A
when did I work...I realized
B
when did I work...did 1 realize
C
when I work...did I realize
D
when I worked...did I realize
Only after they had carried out over ten experiments ______ the decision.
#82493
A
they reached
B
they reach
C
did they reach
D
do they reach