—Who        your English teacher?—Mary      .
#63632
A
does;does
B
is;is
C
does;is
D
is;does
推荐题目
Try to        who broke the window.
#59183
A
find out
B
examine
C
look for
D
see
-- What can trees do _________ us ?--- They can _________ harmful gases and produce oxygen .
#58609
A
helping , take in
B
to help , take in
C
helping , take out
D
to help , take care