—I have to be off right now.
—What a pity! I you could stay a little longer with us.
A. think B. am thinking C. thought
Please listen to the teacher as _______ as you can in class.
| A．careful | B．carefully | C．careless | D．care |
Our city is one of _________cities in china.
| A．the biggest | B．biggest | C．bigger | D．the big |
It is necessary for us _______them every day.
| A．looking after | B．to look after | C．look after | D．to looking after |
I ______ go to bed ______ my father came back.
| A．won’t, until | B．didn’t, until |
| C．will, until | D．/, when |
_____ big fish they are!
| A．What | B．How | C．What a | D．How a |