Many children seldom communicate with adults, ________ it difficult for their parents to know what they are thinking about.
#90642
A
making
B
makes
C
to make
D
made
推荐题目
In April, 2009, President Hu inspected the warships in Qingdao, the 60th anniversary of the founding of the PLA Navy.
#98974
A
marking
B
marked
C
having marked
D
being marked
Computers can do nothing．But once ______what to do, they show extraordinary power to do a great deal．
#96065
A
to program
B
being programmed
C
programmed
D
having programmed
---- Is Bob still performing?---- I'm afraid not. He is said________ the stage already as he has become an official.
#98540
A
to have left
B
to leave
C
to have been left
D
to be left
Last night he left his bike outside and had it_______.
#97849
A
stealing
B
steal
C
stolen
D
to be stolen
The man, ____so badly, almost lost his memory and even was driven mad.
#98230
A
To have been disturbed
B
Having been disturbed
C
To be disturbed
D
Being disturbed