It was such a funny show that people couldn't help ________again and again.A. laugh B. to laugh C. laughing
—How many boys are there in our school? —In our class, ___________of the students are boys. A. three fifths B. third fifthsC. three fifth
—Have they visited the zoo many times. —______________. Only once. A. Yes, they have B. No, they haven’tC. No, they have
His father has worked in this factory________ he came here in 1985. A. for B. since C.when
The traffic in the town _______be terrible, but now it has improved a lot. I think you will ________it soon. A. get used to; used to B. get used to; use to C. used to; get used to
—It smells terrible. What has happened here? —Look, there is much waste gas _______from the chemical factory. A. pouring B. pour C. pours