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更新 2022-09-03
科目英语
题型单选题
难度中等
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No scientists can exactly figure out what ________ happened ________ at that time, which caused the extinction of the dinosaurs.

A．on earth; on the earth

B．on the earth; on earth

C．on earth; on earth

D．on the earth; on the earth

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---I’ll have a party this evening. Will you come?
----___! I will have to visit my grandma with my parents.
A．What a pity B. Good luck B．Never mind D. Not at all.

题型：未知
难度：未知

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He is very grateful to the girl____ he often turns for help when he meets with difficulties.

A．whom

B．to whom

C．to who

D．which

题型：未知
难度：未知

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I was supposed ____ her, but I failed.

A．to help

B．to have helped

C．to be helping

D．will help

题型：未知
难度：未知

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There are plenty of jobs ___ in the western part of the country.

A．present

B．available

C．precious

D．convenient

题型：未知
难度：未知

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The girl was so ___ that she let out a ___ cry.

A．frightening, frightened	B． frightened, frightened
C． frightening, frightening	D． frightened, frightening

题型：未知
难度：未知

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