Bài tập 1: Chọn đáp án đúng nhất
Câu 1. Young people ______ obey their parents.
a. must
b. may
c. will
d. ought to
Câu 2. Laura, you and the kids just have dinner without waiting for me. I ______ work very hard today.
a. can
b. may
c. should
d. would
Câu 3. I ______ be delighted to show you round the factory.
a. ought to
b. would
c. might
d. can
Câu 4. Leave early so that you ______ miss the bus.
a. didn’t
b. won’t
c. shouldn’t
d. mustn’t
Câu 5. Jenny's engagement ring is enormous! It ______ have cost a fortune
a. must
b. might
c. will
d. should
Câu 6. You ______ to write them today.
a. should
b. must
c. had
d. ought
Câu 7. I hope I ______ find it.
a. will
b. shall
c. could
d. must