---How many children have you got ?
---Two , _______ of them are studying in the university.
A. both B. all C. any D. none
We must pay attention to _______ the teacher carefully in class.
A. listen B.listening to C. hear D. hearing
We __________for a picnic if it ___________this Sunday.
A. won’t go , will rain B. won’t go , rains
C. didn’t go , is raining D. don’t go , don’t rain
The house ________ in1950.
A. build B.building C. built D. was built
The book _______ my husband bought in Shenzhen yesterday was very interesting.
A. who B. where C. when D. which
Four thousand kilometers _________ not a short distance.
A. is B. are C. was D. were