---I’m sorry I can’t do it.
---___________.
| A．Not at all |
| B．You’re welcome |
| C．It doesn’t matter |
| D．Well done |
There are students in my art club，twenty﹣two girls and eighteen boys．（ ）
| A． |
fourteen |
B． |
fortieth |
C． |
forty |
Mrs Black some flowers in the garden yesterday．（ ）
| A． |
picks |
B． |
picked |
C． |
is picked |
Lingling is than her sister．（ ）
| A． |
tall |
B． |
taller |
C． |
tallest |
David plays football but he doesn't play piano （ ）
| A． |
\，the |
B． |
the，\ |
C． |
a，the |
Mr Green is writing the blackboard．（ ）
| A． |
in |
B． |
on |
C． |
at |