Linda was busy when I went to see her yesterday． She for an exam．（ ）
A．will studyB．was studying
C．has studiedD．is studying
Look at the sig． You take photos here．（ ）
| A． |
couldn't |
B． |
needn't |
C． |
mustn't |
D． |
won't |
In China， we always use red paper for Hongbao red means luck．（ ）
| A． |
until |
B． |
if |
C． |
although |
D． |
because |
I very busy studying for my exams since last month．（ ）
| A． |
am |
B． |
was |
C． |
will be |
D． |
have been |
Mike， do you go to work？
I take a bus to my office every day．（ ）
| A． |
how |
B． |
why |
C． |
when |
D． |
where |
Betty would like the Beijing Opera to learn more about Chinese culture．（ ）
| A． |
seen |
B． |
seeing |
C． |
to see |
D． |
see |