When giving the orders, the captain() stress on emergency of the work.
A、give
B、get
C、lay
D、laid
第1题
It has been() that the food people eat affects their health.
A、proving
B、prove
C、proves
D、proved
第2题
Nowadays mystery shoppers are armed with a number of high-tech devices()for recording the entire experience.
A、all of the events occurring
B、things seen and lived through
C、the act of doing and observing
D、knowledge gained by doing and observing
第4题
He was()when he heard the bad news.
A、in high spirits
B、depressed
C、having a good time
D、cheerful
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