4.Researchers haven't found out what has.... in the pollution of the river.
A.caused
B.made
C.resulted
6.The train Hai Duong..........at 7.30 from Gia Lan Train Station
A.leaves
B.hace left
C.will leave
9. We’re decided ……….. in Ho Chi Minh city for five days.
A. stay
B. to stay
C. staying
15.Mai said she....a programme about Jupiter then.
A.was watching
B.watched
C.had watched
16.I have won the gold medal. -..........
A.Well
B.I don’t understand
C.That’s awful
18.A:Our house was destroyed by the storm B:...........
A.Wow
B.That’s a relief
C.That’s awful
Loga
Sinh Học lớp 12
