―What your English teacher doing now?
―He _____ a newspaper.
| A．is, reading | B．is, is looking at | C．does, watching | D．is… is reading |
---Have you ever fed them?
---__________. But I have cooked for them.
Yes, I have.B. No, I haven’t.C. No, I didn’t.
------ He is late for the meeting.
------ ______.
A. So am I B. So I am C. So I do
------ What a nice motorbike! How long have you ______ it?
------ About half a year.
A. had B. receive C. bought
There are several chemical factories ______ waste water into the river.
A. pours B. pour C. pouring
Jim has been to the Great Wall before, ______ he?
A. has B. does C. hasn’t