赞题库-背景图

单项选择题

The police must waste no time in ______ the escaped murderer in the forest.

A. searching
B. chasing
C. investigating
D. looking

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热门试题

单项选择题When you drive home, you can't be ______ careful.

A. very
B. too
C. so
D. only

单项选择题______they invite you to speak, remain silent.

A. Even though
B. Though
C. If
D. Unless