单项选择题

The answer must ______ finding new sources of energy.

A) happen to
B) turn out
C) lie in
D) lay in
<上一题 目录 下一题>
热门 试题

单项选择题
I ______ you the money. Why didn't you ask me
A) would lend
B) could have lent
C) must have lent
D) had lent
单项选择题
He was seen ______ the classroom this morning.
A) to enter
B) entering
C) have entered
D) enter
相关试题