I was doing my homework while my parents __________ TV last night.
| A．watched | B．were watching | C．have watched | D．are watching |
Our teacher often keeps usclassroom every day,so we must keep our classroom .
| A．clean,clean | B．cleaning,cleaning |
| C．cleaning,clean | D．clean,cleaning |
I had useful umbrella when it rained.
| A．a | B．an | C．\ | D．the |
Monday afternoon we rode bicycle to Georgetown.
| A．On | B．In | C．At | D．Of |
-Do you know _________________ ?
--Sorry , I don’t know .
| A．what did Tom do with the milk |
| B．where are they going |
| C．what happened to Lucy |
| D．why didn’t Kate come here |
—Tom , Don’t talk. _______ what you are doing.
—Sorry, Mr. Li.
| A．Pay attention to | B．Be careful |
| C．Be patient with | D．depend on |