Look at the new classroom. is very bright and clean.
---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