—Where are the papers for the Smith project?
—They are in the folder ________ “S”．
| A．marking | B．marked |
| C．to be marked | D．to mark |
We were swimming in the lake__________suddenly the storm started.
| A．when | B．while | C．until | D．before |
—Dad，I’ve finished my assignment.
—Good，and__________you play or watch TV，you mustn’t disturb me.
| A．whenever | B．whether |
| C．whatever | D．no matter |
__________I know the money is safe，I shall not worry about it.
| A．Even though | B．Unless |
| C．As long as | D．While |
He made a mistake，but then he corrected the situation__________it got worse.
| A．until | B．when | C．before | D．as |
Although she hates her stepmother, __________she goes to see her for the love of her father.
| A．so far | B．as a result |
| C．now and then | D．in case |