Water.... of hydrogen and oxygen.
A.is consisting
B.consists
C.has consisted
D.will consist

Don’t give the chocolate to Helen. She…. it.
A.hates
B.is hating
C.has hated
D.hated

The Sun.... us heat and light
A.will give
B.is giving
C.gives
D.has given

Nam wishes he had worked hard last year,__________?
A.hadn't Nam
B.doesn't he
C.hadn't he
D.doesn't Nam

They are studying pronunciation with Ms. Phuong, _______?
A.do they
B.are they
C.aren’t they
D.don’t they

You had had breakfast before you went to school yesterday, ___________?
A. weren't you
B.didn't you
C.wouldn't you
D.hadn't you

Everybody is happy, ________?
A.is it
B.isn’t it
C.aren’t they
D.are they

I'm right, _____?
A.aren't I
B.amn't I
C.isn't I
D.not I am

There have been many achievements since the country carried out economic reforms, ________?
A.don't there
B.haven't there
C.haven't they
D.don't they

There’s little water left, _______?
A.aren’t there
B.isn’t there
C.are there
D.is there