—Why didn’t you go to school yesterday?
—______ my mother was in hospital and I had to take care of her.
A. Then B. Because C. If
Finish your homework first, then you'll surf the Internet for half an hour.
| A．can | B．need |
| C．be able to | D．may |
---Mum, I cut myself just now.
----You ______put some medicine on it.
| A．should | B．need | C．must | D．will |
You ______ be polite to the old man.
| A．should | B．can’t | C．might | D．mustn’t |
--- Tom, where is your father?
--- I’m not sure．He_______ in his office．
| A．is | B．may be | C．maybe | D．may |
This Japanese dictionary Ellen’s. She is only person learning Japanese in our class.
| A．must be | B．can’t be |
| C．may be | D．can be |