— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.
| A．was doing | B．did | C．had done | D．would do |
Do you think regular exercise _____ good health?
| A．benefit from | B．reach for | C．make for | D．go for |
She goes to school every day _______ Sunday.
| A．except | B．besides | C．beside | D．except for |
Her composition is well written _______ some spelling mistakes.
| A．except | B．besides | C．beside | D．except for |
“You _______ be so tired that you had to stop to rest．”
| A．should | B．can’t | C．must | D．mustn’t |
He must have finished the work yesterday, _______ he ?
| A．mustn’t | B．haven’t | C．didn’t | D．hasn’t |