The train hasn’t arrived yet. Could you tell me ________________?
A. when will the train arrive
B. why the train is late
C. how long should I wait
—I called you at seven o’clock last evening, but nobody answered the phone.
—Oh, my husband and I __________ outside.
A. took a walk
B. have taken a walk
C. were taking a walk
I prefer books ________ are educational and interesting.
A. that B. what C. who
—The flowers are beautiful. How do you look after them?
—Well, this kind of flowers _________ every morning.
A. should water B. waters C. must be watered
—How long have you been working in this city?
—_______________.
A. Five years ago.
B. Since last year.
C. After I left university.
Could you please _________here? It’s a no-smoking area.
A. not smoke
B. not to smoke
C. don’t smoke
