Don't throw rubbish everywhere，please．Building a civilized（文明的）city is our duty．
_______．（ ）
| A． |
OK，I will |
B． |
You are joking |
| C． |
Take it easy |
D． |
Sorry，I won't |
Stephen Hawking has _______great success as a scientist．（ ）
| A． |
allowed |
B． |
achieved |
C． |
practiced |
D． |
promised |
It is well worth the effort， and the sunrise is ______beautiful．（ ）
| A． |
truly |
B． |
mainly |
C． |
hardly |
D． |
nearly |
He drove so fast at the turn that the car almost went ______the road．（ ）
| A． |
off |
B． |
on |
C． |
along |
D． |
behind |
Thank you for your ______invitation． See you tomorrow!
See you!（ ）
| A． |
rapid |
B． |
magic |
C． |
kind |
D． |
brave |
Why were you so angry with your daughter？
She was busy_______and taking selfies（自拍） when I was talking to her．（ ）
| A． |
texting |
B． |
to text |
C． |
text |
D． |
texted |