Câu 9: Ba received three letters _______ you sent this morning.
A. who B. whom C. whose D. that
Câu 10: Have you ever seen Mr. Philip, ________is from America?.
A. who B. that C. whom D. which
Câu 11: We will have no fresh water to use if we _____ the water.
A. will pollute B. pollute C. polluted D. had polluted
Câu 12: If it rains this evening, I ________out.
A. don’t go B. couldn’t go C. wouldn’t go D. won’t go
Câu 13: It’s very hot, _____I go swimming.
A. and B. so that C. such that D. so
Câu 14: He doesn’t write to his parents as often as he ____________.
A. used to B. use to C. got used to D. get used to
Câu 15: The doctor_________me not to stay up too late at night.
A. suggested B. insisted C. advised D. forced
Câu 16: Millions of ___________are interested in that program on TV.
A. spectator B. audience C. watchers D. viewers