—Excuse me, look at the sign “No parking”.
—Sorry, I ________ it.
A. don’t see B. haven’t seen C. didn’t see D. won’t see
I know this plan is far from perfect, but I just can’t think of _______one.
A. a better B. the better C.a best D.the best
Mr.Smith, together with his two sons,_____Shanghai for about five months.
A. has left B. has been away from C. have left D. have been away from
— Air quality in our city is becoming worse and worse.
—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.
A. reduce B. remove C. collect D. gather
---Do you like tea or coffee?
--- coffee. I prefer coffee ______ milk.
A. to B. with C. of D. in
What _____ good time we had________ a picnic yesterday!
A. a;had B. \; having C. a; having D. \; had