He wondered if he could slip out of the lecture hall without anyone .
| A．noticing | B．noticed | C．to notice | D．being noticed |
Occasions are quite rare ______ I have the time to spend a day with my kids.
| A．when | B．which | C．why | D．who |
Two middle-aged passengers fell into the sea. ______, neither of them could swim.
| A．In fact | B．Luckily | C．Naturally | D．Unfortunately |
---Waiter!
---______
---I can’t eat this. It’s too salty.
| A．What? | B．Yes, sir? | C．All right? | D．Pardon? |
—What do you think made Tina so delighted？
—__________ the driving test at her first try.
| A．As she passed | B．Passed |
| C．Because of passing | D．Passing |
The poor young man is ready to accept _______ help he can get as he has no choice.
| A．whichever | B．however |
| C．whatever | D．whenever |