—Did your mother sleep well last night?
—She ______ have slept through all those noises.
| A．mustn't | B．may not |
| C．can't | D．won't |
Hurry up! The train_______. You know, it________at 8: 30 am.
| A．leaves; leaves | B．is leaving; leaves |
| C．leaves; is leaving | D．is leaving; is leaving |
A number of endangered animals are nowadays.
| A．dying away | B．dying out | C．dying off | D．dying from |
difficult it might be, I will try my best to work it out.
| A．Whatever | B．How | C．However | D．What |
Standing too close to watch TV your eyesight.
| A．affects | B．effect | C．affect | D．effects |
When to go for the on-salary holiday yet?
| A．are not decided | B．have not been decided | C．is not being decided | D．has not been decided |