Which of the following proverbs suits the gist of the story By heart best?
| A．Look before your leap. | B．Speech is silver, but silence is golden. |
| C．He laughs best, who laughs last. | D．Don’t count your chickens before they are hatched. |
As second-hand smoking is more harmful and dangerous, people want a total _____against smoking in public．
| A．ban | B．brake | C．breakthrough | D．boundary |
-- I didn't realize how popular the restaurant was until I made a reservation the other day.
-- I beg your pardon, but when __________?
| A．was you realized it | B．it was that you realized it |
| C．you realized it | D．was it that you realized it |
It_____ have been Tom that parked the car here, as he is the only one with a car.
| A．may | B．must | C．can | D．should |
-- Do you think it's a good idea to make friends with your students?
-- ______, I do. I think it's a great idea.
| A．Really | B．Obviously | C．Actually | D．Generally |
Every evening after dinner, if not ______ from work, I will spend some time walking my dog.
| A．being tired | B．tiring | C．tired | D．to be tired |