A、 moves
B、 moved
C、 is moved
D、 was moved
答案:D
A、 moves
B、 moved
C、 is moved
D、 was moved
答案:D
A. a
B. an
C. the
D. /
A. 2x+1
B. 2x-3
C. 2x-5
D. 2x-7
A. can
B. must
C. may
D. need
A. a
B. an
C. the
D. /
A. without
B. under
C. with
D. for
A. helping
B. helped
C. to help
D. help
A. is directed
B. was directed
C. directed
D. directs
A. exercises
B. problems
C. skills
D. rules
A. natural
B. dangerous
C. soft
D. cool
A. without
B. against
C. through
D. /