题目内容

I see her ____ the room this morning.

A. to enter
B. entered
C. enter
D. enters

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You’d better ______ at home and ______ your homework.

A. to stay, do
B. stay, do
C. to stay, to do
D. stay, to do

I can't catch up with the fashion,because the clothes style_______ allthe time.

A. has changed
B. is changed
C. is changing
D. changed

John is always ready ______ others.

A. help
B. helping
C. helps
D. to help

辊压机按物料通过压辊时的运动位置分为 和 。

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