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 |
.
Though the teacher had tried to make the problem easy__________, still Lily and her partner were at a loss.
| A．understood | B．understanding | C．to understand | D．to be understood |
.
Parents give children__________pocket money to let them learn its value from experience at
early age.
| A．the; an | B．a; the | C．/; an | D．/; / |
.
--- Derek, I owe you a thank – you for all your help.
---____________.
| A．If you please | B．Don’t mention it | C．That’s it. | D．All right. |
.
________their nationalities, we will make friends with anyone who is friendly.
| A．Regardless of | B．Thanks to | C．Except for | D．Despite |
.
Oh, I’m not feeling well in the stomach. I _____ so much fried chicken just now.
| A．shouldn’t eat | B．mustn’t have eaten |
| C．shouldn’t have eaten | D．mustn’t eat |