_ I feel tired and weak._ Why not stop ________.[ ]A. to workB. to have a re

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^_ I feel tired and weak.
^_ Why not stop ________.[ ]
A. to work
B. to have a rest
C. having a rest
D. to go on with your work

答案

举一反三

I warn them _____ with fire. [ ]
A. to play
B. not to play
C. playing
D. to playing

题型：同步题难度：| 查看答案

He told me ___ too much in class any more.  [     ]
A. didn"t talk
B. not talk
C. not to talk
D. to not talk

题型：同步题难度：| 查看答案

It"s a good idea ___your own poems.[     ]
A. create
B. creates
C. created
D. to create

题型：同步题难度：| 查看答案

There are two ways ________ animals and plants. [ ]

A. combine
B. combining
C. combined
D. to combine

题型：同步题难度：| 查看答案

Is it dangerous ________ the DNA of the food we eat?  [     ]
A. change
B. to change
C. changing
D. changed

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