________ we admit that there are still some problems about the system of modern education,
we don’t mean that it is of no use.
| A．Until | B．While | C．As | D．Unless |
Her parents _____ great importance_____ education, which makes a great
difference to her.
| A．stick;to | B．appeal;to |
| C．attach; to | D．ajust;to |
If you want to own an iphone 6 ahead, you'll have to make a(an)_____,or you will wait for some time.
| A．preservation | B．reservation |
| C．order | D．application |
During the meeting a young man cried out suddenly and threw his notebook at Ma Yingjiu, ________brought the room to disorder.
| A．this | B．it | C．and that | D．and which |
----What do you think of the new English teacher?
----____she is an elegant lady, she can be extremely difficult to work with.
| A．While | B．When | C．As | D．Even if |
My father retired in 2008, _____ he has been devoting his time to gardening.
| A．at which | B．since when | C．when | D．after that |