更多"In the experiment we kept a watchfu"的相关试题:
[单项选择]In the experiment we kept a watchful eye ______ the subtle changes and recorded every detail.
A. for
B. at
C. on
D. to
[单项选择]Had he kept an eye on the business ,his firm ______ the crisis.
A. must have got through
B. would have got through
C. would get through
D. could get through
[单项选择]From what the Brazilian biologist says, we know that tourists like her ______.