赞题库-背景图
单项选择题

A salesman has to be ______ if he wants to succeed.

A．expensive
B．cheap
C．explosive
D．aggressive
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热门试题

单项选择题We ______ always keep these words in mind. They ______ give us courage and strength.

A．have to; need to
B．would; should
C．should; will
D．must; dare to

单项选择题His handwriting is very bad, so I have much trouble ______ his letter.

A．reading
B．to read
C．to have read
D．read