II)
1.have
2.has
3.have
4.have
5.has
6.have
7.has
8.has
9.have
10.have
II)
1.have
2.has
3.have
4.have
5.has
6.have
7.has
8.has
9.have
10.have
III)
1.We haven't studied a very hard lesson today.
2.They haven't watched that television program several times.(số 3 ko có nha)
4.I haven't had this toy since my birthday.
5.He hasn't lived in HN for ten years now and doesn't like it a lot.
6.Jenny hasn't been to HN twice.She doesn't love it very much.
7.My sister hasn't worked for an enterprise for two years.
8.I haven't felt better since I lived here.
III)
1.How long have you known each other?
2.Have you taken many photographs?
3.Has she eaten at the Royal Hotel yet?
4.Is this the second time he has lost his job?