Your head teacher has set up a Wechat group．Could you tell____？
It is more convenient to communicate with our parents．（ ）
A．when it was set upB．why did he set it up
C．what it is used forD．how did he set it up
Which of the following sentences is correct？（ ）
| A． |
He came in and sat down． |
| B． |
We all like＜Harry Potter＞． |
| C． |
When we met．He didn't say hello． |
| D． |
We went out，headed for the bus stop． |
Whenever we kids come over，Auntie Susan just stands there and watches us ________ sure we don't break anything．（ ）
| A． |
make |
B． |
made |
C． |
to make |
D． |
making |
I hate the dogs live in the next house．They make loud noises all night（ ）
| A． |
who |
B． |
that |
C． |
what |
D． |
whom |
The plane on the ground for two more hours because of the bad weather．（ ）
| A． |
ran |
B． |
moved |
C． |
shook |
D． |
remained |
The actor was happy he got a part in the movie，_____ the part was a small one．（ ）
| A． |
since |
B． |
while |
C． |
though |
D． |
unless |