问题
“_________ necessary to pay attention to _________ to teachers in class .” My dad said.
A:That’s; listening
B:It’s; listen
C:It’s; listening
D:This is; listen;
B:It’s; listen
C:It’s; listening
D:This is; listen;
正确答案是：
同类题型
The ______ of new inventions(发明) should be to make life easier, not to make it harder.
Has anyone taught him how to do it—Sure. Lots of advice________, but he hasn’t made adecision.
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What’s wrong with you, sir — My flight ______ ten minutes ago. What should I do