Peter spent half a day fishing by the river，______he didn't catch anything．（ ）
| A． |
so |
B． |
or |
C． |
for |
D． |
but |
Our classroom by students every afternoon．（ ）
A．is cleanedB．was cleaned
C．cleans
Excuse me， do you know ？
It closes at 9： 00 PM．（ ）
A．when does the bookstore close today
B．when the bookstore closes today
C．when will the bookstore close today
My grandmother is going to a hobby like shopping on the Internet．（ ）
A．take upB．look upC．get up
They asked their son the bed last weekend．（ ）
A．to makeB．makingC．made
Everyone knows that China is getting ．（ ）
A．strong and strong
B．strongest and strongest
C．stronger and stronger