Complete the sentences with can/can’t/could/couldn’t: 1 I’m afraid I ………… come to your party next week.
2 When Dan was 16, he …………. run 100 meters in 11 seconds.
3 ‘Are you in a hurry?’ ‘No, I’ve got plenty of time.
I ……………. wait’.
4 I don’t feel
good this morning. I ………….. sleep last night.
a. can
b.can’t
c. couldn’t
d. could