I usually go to the office ()train.
A. with
B. by
C. on
第1题
Polly is very busy. She ( )work at about 7.00 every day.
A. finish
B. does finishes
C. finishes
第2题
It is already twenty years ____ we ____ to know Mr. White in Paris.
A. after … got
B. after …have got
C. since … got
D. since …have got
第3题
You will never be able to enter that university ____you get very high scores on the examinations next month.
A. if
B. as
C. although
D. unless
第4题
In redesigning the assembly line the engineer found it difficult to ____ his intention without adequate money.
A. carry out
B. look into
C. set aside
D. concentrate on
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