II
2 They haven't just had lunch with their friends
Have they just had lunch with their friends?
3 Many students didn't catch flu since last month
Did many students catch flu since last month
4 They didn't travel to Nha Trang last summer holliday
Did they travel to Nha Trang last summer holliday
5 Catherine hasn't already applied for the job
Has Catherine already applied for the job
6 They haven't ever climbed up the mountain twice
Have they ever climbed up the mountain twice
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please help me again;-;
help again ;-;??
