I don’t think the experiment is ______ failure, because it has provided us with _____ valuable experience for our future tests.
| A．不填; 不填 | B．a; 不填 | C．a ; a | D．不填; a |
We hadn’t been out for long _________ she felt sick.
| A．as | B．while | C．after | D．before |
________ a little money, Jane was able to buy her mother a lovely new watch.
| A．To save | B．Saving | C．Having Saved | D．Saved |
The weatherturnedouttobe fine yesterday. I ________the trouble to carry my umbrella with me.
| A．should have taken | B．could have taken | C．mustn't have taken | D．needn't have taken |
________ freezing snow, which is still heavy, will come to ________ end this weekend.
| A．The; an | B．A; an | C．The; the | D．A; the |
— Sorry I’m late. I got stuck in traffic.
— _________. You’re here now. Come in and sit down.
| A．You are welcome | B．Never mind | C．I have no idea | D．That’s right |