Neil Armstrong was the first man to walk on the moon _______20 July 1969．（ ）
A．inB．onC．atD．for
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 |
Lots of people exercise every morning_____bad weather stops them．（ ）
| A． |
if |
B． |
unless |
C． |
until |
D． |
since |