Millions of people watched that first moon landing on television, their hearts in their mouths, aware of how difficult and dangerous an adventure it was, and what risks had to be ____.
#97093
A
taken
B
take
C
to take
D
taking
推荐题目
---The weather report says the fine weather is _____ in a day or two. ---We’d better get in our corn before that.
#96319
A
breaking down
B
breaking up
C
breaking through
D
breaking off
I’ll drop in at the supermarket on my way back. Do you have anything ______?
#96831
A
to buy
B
to be bought
C
buying
D
needs buying
________ in a poor family, he can’t afford to go to school.
#90236
A
Being born
B
Born
C
Having born
D
To be born
___ the invention of the steam engine, the industrial revolution played a vital role in human history．
#95687
A
Originating in
B
Originated in
C
To originate in
D
Being originated in
Do tell me the way you think of_____ the problem as soon as possible.
#98823
A
to solve
B
solving
C
solve
D
being solved