His mother could do nothing but _______ for the doctor to arrive. 
#74188
A
to wait
B
waiting
C
waited
D
wait
推荐题目
 My TV has ________so I can't watch it and I don't know how to kill time.
#65737
A
broken in
B
broken down
C
broken out
D
broken into
Our English teacher is ill, and we are all ______ her health.
#74488
A
careful of
B
concerned about
C
interested in
D
calm about
Computers have been made ______ clever that they can ______ problems like humans _______. 
#74795
A
such; deal with; in some way
B
so; do with; in one way
C
such; do with; in the way
D
so; deal with; in a way