赞题库-背景图
单项选择题

The new research project was led by the______engineer.

A．main
B．major
C．chief
D．primary
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热门试题

单项选择题All but one______going to take part in the sports meet______tomorrow.

A．is; which is to hold is
B．are; to be taken place
C．are; to be held
D．that is to take place

单项选择题—How boring! Is there______the program —Well, it's nearly over.

A．much of
B．much more of
C．many of
D．many more of