-When did the Great Wall __________？
-In the Qin Dynasty.
| A．come into being | B．come into use |
| C．come into effect | D．come into power |
When disaster strikes, you _____ find yourself without water, gas and electricity.
| A．will | B．must | C．should | D．might |
—Sorry, I can’t return your book today because I am only halfway through it.
— ______. I have plenty of other books to read.
A. Take it easy B Take your time
C. No wonder D. No doubt
—Jimmy, had a lot of parties recently.
—Yes, that might _____ his failure in the examination.
| A．sum up | B．account for | C．push for | D．make sense of |
Private cars really provide much convenience to people, and ___ they cause too many problems.
| A．meanwhile | B．therefore | C．otherwise | D．instead |
I’ll look into the matter as soon as possible. Just have a little ______.
| A．wait | B．time | C．patience | D．rest |