用a few momths ago作时间状语改写: 将改写的句子变否定句: 变一般问句: 肯定,否定回答: 急啊!they are in canada now.

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用a few momths ago作时间状语改写: 将改写的句子变否定句: 变一般问句: 肯定,否定回答: 急啊!they are in canada now.
用a few momths ago作时间状语改写: 将改写的句子变否定句: 变一般问句: 肯定,否定回答: 急啊!
they are in canada now.

用a few momths ago作时间状语改写: 将改写的句子变否定句: 变一般问句: 肯定,否定回答: 急啊!they are in canada now.
用a few months ago作时间状语改写:
They were in Canada a few months ago.
将改写的句子变否定句:
They weren't in Canada a few months ago.
变一般问句:
Were they in Canada a few months ago?
肯定,否定回答:Yes,they were.No,they weren't.

They were not in Canada a few months ago.
Were they in Canada a few months ago?
Yes,they were.
No,they weren't.