A、 was traveling
B、 is traveling
C、 traveled
D、 travels
答案:A
A、 was traveling
B、 is traveling
C、 traveled
D、 travels
答案:A
A. always
B. seldom
C. often
D. usually
A. make
B. made
C. makes
D. making
A. though
B. before
C. because
D. since
A. can
B. may
C. need
D. must
A. not to be late
B. not being late
C. to be late
D. being late
A. going over
B. went over
C. go over
D. to go over
A. damaged
B. were damaged
C. were damaging
D. are damaged
A. (0,1)
B. [0,1)
C. (0,1]
D. [0,1]
A. sits
B. sat
C. is sitting
D. was sitting
A. To;of
B. At;at
C. To;in
D. In;about