The boy lost his key, so he has no choice but till his mother came home．
#96492
A
waited
B
waiting
C
wait
D
to wait
推荐题目
(2011·湖南高考)The ability ________ an idea is as important as the idea itself.
#89005
A
expressing
B
expressed
C
to express
D
to be expressed
________ good and sweet，this kind of apple was soon sold out in the market.
#89182
A
Tasted
B
Tasting
C
Having been tasted
D
Being tasted
The Greens ______ us with dinner the day before yesterday.
#95801
A
gave
B
ordered
C
equipped
D
entertained
The research is so designed that once _______ nothing can be done to change it.
#98631
A
begins
B
having begun
C
beginning
D
begun
The noise from the top floor，loud and constant，of the meeting-room_________ can be clearly heard in our classroom．
#89244
A
to decorate
B
having been decorated
C
being decorated
D
decorating