It's hot summer.
A. in B．at C．on
Tom often _____ TV on Saturday evenings, but now he _____ stories.
| A．watches; is reading | B．is watching; reads |
| C．looks; is reading | D．watches; is looking |
—_____ do you like science?
—Because it’s interesting.
| A．What | B．When | C．Which | D．Why |
—You must _____ a letter to your mother tomorrow.
—Well, I will, Dad.
| A．write | B．to write | C．write to | D．writing |
—_____ does Kangkang meet his friends?
—Four times a month.
| A．How often | B．How long | C．When | D．What time |
Mr. Wang _____ gets up early. So he is ______ late for work.
| A．always; always | B．never; never |
| C．always; often | D．always; never |