The man drew a series of pictures about Wechat____how to use this software．（ ）
| A． |
to show |
B． |
showed |
C． |
shows |
D． |
to showing |
You are not supposed to enter the teachers' office _____（ ）
| A． |
unless you are allowed to |
| B． |
if you want to ask questions |
| C． |
when you are asked to come in |
The boy _____ lost is crying there．
How do you know he gets lost？（ ）
| A． |
whose |
B． |
who |
C． |
who's |
Compared with newspapers or TV， the Internet offers people _____ information．（ ）
| A． |
much |
B． |
more |
C． |
most |
Unluckily． Notre Dame de Pari（巴黎圣母院） _____ this April． We felt so sad for that．（ ）
| A． |
was burnt |
| B． |
is burnt |
| C． |
has been burnt |
Be quiet! The students _____ an English exam．（ ）
| A． |
take |
B． |
are taking |
C． |
will take |