I can't stand people __________ in the office where no one is allowed __________ during work time.
| A．to smoke; smoking |
| B．smoking ; smoking |
| C．smoking;to smoke |
| D．smoke;smoking |
Occasions are quite rare ________ I have time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
----English has a large vocabulary, hasn’t it?
----Yes. _____ more words and expressions will help you easily read and communicate.
| A．Know | B．Knowing | C．To know | D．Known |
My grandfather is fond of talking about the good old days, ________ is often the case with old people.
| A．when | B．as | C．that | D．what |
It’s the third time that John has been late, ____?
| A．hasn’t he | B．isn’t he | C．isn’t it | D．hasn’t it |
________ surprises us most is that she doesn’t even know ________ the difference between the two lies.
| A．What; where | B．All; which | C．What; that | D．That; where |