A. an,an B. an,a C. a,a D. a,an

— It’s about70 kilometers an hour.

A. placeB. speed

C. price D. mark

【题目】You can easily find a taxi here .The transportation in our city is very_______ .
A.convenient
B.cheap
C.crowed

A. in B. on C. at D. from

A. between B. among C. with D. at

A. get B. reach C. arrive D. got to

【题目】— Do you know _______?
— He is a dentist.
A.where he is from
B.what does he do
C.what his father is

---No, I ________ it for a long time.

A. boughtB. had beenC. have boughtD. have had

【题目】The workers built a new railroad ________the two cities.
A.during
B.as
C.between

【题目】— What do you like most about Halloween?
— I think it's fun to dress up _______ cartoon characters!
A.for
B.as
C.Of