A mobile phone with 5G can send videos much ____ than the one with 4G．（ ）
A．fastB．faster
C．fastestD．the fastest
What do you think of the band's performance？
It could be ______．I think they're feeling very nervous．（ ）
| A． |
good |
B． |
better |
C． |
bad |
D． |
worse |
I've never seen Mr．Taylor before．
Don't worry．I ______ him to you before the meeting．（ ）
| A． |
will introduce |
B． |
introduced |
| C． |
have introduced |
D． |
had introduced |
Peter spoke so ______ that I could hardly hear him．（ ）
| A． |
loudly |
B． |
quietly |
C． |
clearly |
D． |
patiently |
My daughter helps me cook，but she isn't old enough to be left alone in the ______．（ ）
| A． |
bedroom |
B． |
classroom |
C． |
lab |
D． |
kitchen |
Hurry up!
One moment．I ______ my e﹣mails and then I'm ready to go．（ ）
| A． |
read |
B． |
am reading |
| C． |
was reading |
D． |
have read |