—How do you think he managed to improve his English in such a short time? —______ four hours on it every day．
#96810
A
Because of spending
B
To spend
C
By spending
D
Spending
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He would be sure ________ disasters if I didn't stay to keep an eye on him.
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A
of meeting
B
about meeting
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meeting
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to meet
The difference in thickness and weight from the earlier version makes the iPad2 more comfortable_______.
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A
held
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holding
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be held
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to hold
The students ________ from the whole class are expected to bring us honor in this school sport meeting.
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A
selecting
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selected
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to select
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having selected
Any packet __ properly will not be accepted by the post office．
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A
not to address
B
not being addressed
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not addressed
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not having addressed