—Don't worry．Mum will come to solve the problem．
—_______ she won' t come?
| A．Why not | B．What if |
| C．What about | D．How about |
What does his sister ______?
| A．do | B．does | C．doing | D．Work |
—_______ does your mother go to England？
—By plane.
| A．How | B．What | C．Where | D．Who |
You should ____ hard.
| A．studies | B．studying |
| C．study | D．Studys |
I like playing ______ pipa.
| A．a | B．an | C．the | D．/ |
—You won the first prize in the last Physics competition once again.
—___________. I made several mistakes.
| A．Congratulations | B．It doesn’t matter |
| C．Don’t mention it | D．You must be joking |