We still know little about the Moon_________men have landed on it．（ ）
A．ifB．sinceC．althoughD．because
I will take part in an English writing competition this Sunday． I feel nervous．
_____．（ ）
| A． |
What a pity |
B． |
Look out |
| C． |
Congratulations |
D． |
Take it easy． |
Where did you go last winter vacation？
I _____ to London with my family．（ ）
| A． |
go |
B． |
have gone |
C． |
went |
D． |
was going |
Gina， could you please play the drums on the art festival？
_____．I can only play the guitar．（ ）
| A． |
I'm afraid I can't |
B． |
Yes， I can |
| C． |
Sure． I'd love to |
D． |
Not bad |
The world's longest cross﹣sea bridge， Hong Kong﹣Zhuhai﹣Macao Bridge， opened _____ October 24，2018．（ ）
| A． |
in |
B． |
at |
C． |
by |
D． |
on |
Could you please tell me_____？
In two weeks．（ ）
| A． |
when did he come back |
| B． |
how soon will he come back |
| C． |
when he came back |
| D． |
how soon he will come back |