B. if that he should
Ta dễ dàng loại được phương án C vì không có cấu trúc know to V, loại phương án B vì không có cấu trúc if + that + mệnh đề.
Phương án A và D giống với mệnh đề danh từ ở dạng rút gọn, nhưng ta cần lưu ý, chỉ whether mới có dạng rút gọn là whether + to V.
Chọn D
Matthias: Do we have to do our homework?
Jim: I don’t really know for sure________, but I suppose we do.
We need to talk more about_________for the summer vacation before July.
It is true________the law says there is no smoking in restaurants in this city.
The question we have to answer is________keep in touch with other team members while we are not allowed to use mobile phones.
Ann: Are you tired?
Bethany: Why do you want to know________?
Ann: You look tired. I’m worried about you.
Can you tell me________ordering stationery? We need some more envelopes in our department.
Using noun clauses, rewrite the following sentences without changing their original meanings
E.g. Something hit Jack hard in the neck. He didn’t know what it was.
→ Jack didn’t know what hit him hard in the neck.
He shared the problem in public. This was something that he should only talk with his family.
→ What he_____________________________________________________