It's no secret to us, but he alone is in the dark. It means ___.
| A．nobody but him knows the secret | B．we all know the secret except him |
| C．it's so dark that he can't see everything clearly | D．only the needs to keep the secret |
_____ herself to science, the great scientist took little notice _____ the honors given to her.
| A．Devoted, of | B．Devoting, of | C．Devoted, about | D．Devoting, about |
The old couple, ____had been admitted to university, were living a hard life.
| A．both their children | B．both of whom children |
| C．both of whose children | D．whose their children |
--Has Peter handed in his paper yet?
---I’m not sure. He _______ on it last week.
| A．was working | B．has worked | C．worked | D．had worked |
The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.
| A．can’t | B．shan’t | C．needn’t | D．mustn’t |
--Have you called Mr Johnson’s office?
---Yes. He ____back before tomorrow noon. So he can attend our meeting on time.
| A．expected | B．is expected | C．is expecting | D．is to expect |