—Are you free after school?
—Sorry: I’ve planned to treat a friend of mine to dinner for his help.
A. in terms B. in honor C. in turn D. in return
—Alice, you look puzzled. Have you understood it?
—Yes, I another problem just now.
A. have thought of B. am thinking of
C. had thought of D. was thinking of
Whether ways will be found to stop pollution or not is just worries the public.
A. why B. which C. that D. what
Travelers that they should bring their ID cards with them.
A. have reminded B. are reminded
C. were reminding D. had been reminded
Shanghai has hosted 2010 world Expo. The world Expo has long history but it has never been held in Asia.
A. ——；a B. the ; a C. the ; the D. / ; /
—What a fine day! Shall we go picnicking.
— . But we need to be home before six o’clock for the football match.
A. Have a nice time B. Pardon me
C. That’s great D. You are right
