---John, have you gone over your lessons learnt this morning?
---Not yet.
---You should know _____.
A. many hands make light work
B. Rome wasn’t built in a day
C. strike while the iron is hot
D. great minds think alike
Howard Carter is one of the best-known explorers the world _____.
A. have ever known B. knew
C. had known D. had never known
_____the teacher couldn’t understand was _____ fewer and fewer students showed interest in his class.
A. What; that B. All that; because
C. Why; that D. What; why
-- You look so tired.
--- Yes. I _____ the house all the morning. But I’m finishing it soon.
A. have cleaned B. have been cleaning
C. have been cleaned D. had been cleaning
Police in America have stepped up their search for a fifteen-year-old boy who went _____ three days ago.
A. going B. losing
C. missing D. disappearing
There are _____ flights between the two cities, _____ it convenient for people in one city to travel to work in the other.
A. regular; to make B. usual; making
C. usual; having made D. regular, making
