I’ll spend all my work time _____ giving advice _____ learning English well.
A、in, on
B、on, in
C、in, in
D、to, on
第1题
Always_____ when you _____!
A、answered, speak to
B、answer, are spoken to
C、answering, are spoken to
D、answer , speak to
第2题
_________adequate preparation, you don’t have much chance of success.
A、After
B、Without
C、With
D、Before
第3题
The cost of this building _________to be over a million.
A、is estimated
B、estimates
C、has estimated
D、having been estimated
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