My sister isn’t in. ________ she comes back, I’ll let her call you back.
| A．While | B．Until | C．Before | D．When |
--You look so beautiful with such a nice hat! -----_________．
| A．You’re right | B．Thank you very much |
| C．Don’t say so． | D．That’s OK |
--I need something for cutting the big birthday cake．
--Oh, you want a knife? OK．I’ll get ____ for you．
| A．it | B．that | C．this | D．one |
I won’t be able to understand what you say, _____ you speak too quickly．
| A．if | B．though | C．because | D．and |
The price of the house _____ increasing all the time, but there are still lots of people ______ to buy houses．
| A．is, to wait | B．are, waiting |
| C．is, waiting | D．are, to wait |
It is well-known that such a thing must ________ happening again．
| A．stop from | B．stopped from |
| C．be stopped from | D．to stop from |