Mary suggested that they______ together. *
2 điểm
should go
went
going
don't go

When you phoned me, I _______ my homework. 
am doing
was doing
were doing
did

 Choose the underlined word/ phrase that needs correcting: "I suggested that you taking his advice to treat your cough". 

He is very lonely. He doesn’t have_______ friends. 
few
many
much
some

Cho các chất Cu,Na2SO4,H2SO4

cần điều chế n mol SO2,hãy chọn chất nào để tiết kiệm được H2SO4. Giải thích cho sự lựa chọn

Để phân biệt 2 dung dịch Na2SO4 và Na2CO3 người ta dùng gì

Để phân biệt 2 dung dịch Na2SO4 và H2SO4 người ta dùng gì

II. GRAMMAR AND STRUCTURE (2.5 points / 0.25 each)
Choose the best option (A, B, C, or D) to complete each of the following sentences.
4. It’s very kind _________you to help me.
A. of B. to C. with D. for
5. Let’s have a drink, _________?
A. shall we B. will we C. shall you D. do we
6. They didn’t go on a picnic _________the weather was awful.
A. so B. although C. because D. because of
7. Do you know the lady_________ son is standing over there?
A. who B. whom C. which D. whose
8. This newspaper is _________every day. It’s a daily newspaper.
A. publishing B. published C. publishes D. to publish
9. We are talking about the preservation of _________resources.
A. natural B. nature C. naturally D. naturalize
10. Everyone must take part in _________forests and increase forestation.
A. protect B. protecting C. protection D. protected
11. _________we know her address, we will call you.
A. Unless B. Since C. If D. Therefore
12. My house_________in 1986.
A. is built B. was building C. was built D. has been built
13. The doctor_________me not to stay up too late at night.
A. advised B. suggested C. insisted D. forced