Mr. Smith, together with his sons, _____ supper at 7 o’clock yesterday evening. 
#44870
A
was eating
B
were eating
C
was eat
D
were eat
推荐题目
Trees         in winter but in spring.
#44843
A
not can be planted
B
can be planted
C
can’t be planted
D
can plant
People should __________ from __________ down the trees to protect the earth.
#44463
A
be stopped, to cut
B
stop, to cut
C
be stopped, cutting
D
stop, cutting
  The girl in black trousers _____often noticed ______the teachers’ office.
#44412
A
are; entering into
B
are; entering
C
is; to enter into
D
is; to enter