Unit 5 Felling Happy Topic 3：Many things can affect our feelings導(dǎo)學(xué)案
c. must have fallen d. mustn’t have fallen
8. the only thing that really matters to the children is how soon they return to their school. [ ]
a. can b. must c. have to d. ought to
9. i want to go to the chemist’s, but you go with me.[ ]
a. need not b. must not c. need d. must
10. i thought it over, but come to no conclusion.[ ]
a. can b. could c. should d. would
keys: 6. c 7. c 8. a 9. a 10. b
11. what we get seems better than what we have.[ ]
a. can b. cou ld c. can’t d. couldn’t
12.─my goodness! i’ve just missed the train.
─that’s too bad. i am sure yo u it, if you had hurried.[ ]
a. could have caught b. had caught
c. would catch d. could catch