---What does your mother do to keep fit, Tom? ---She usually ______ after supper. 
#38096
A
walk
B
walks
C
is walking
D
to walk
推荐题目
 If I ______ free tomorrow, we ________to Beijing Zoo.
#38127
A
am; won’t go
B
is; will go
C
am not; will go
D
am not; won’t go
Our math teacher ______ in our school for 20 years and he _____ here when he was 23 years old.
#42131
A
has taught, has come
B
taught, comes
C
taught, came
D
has taught, came
---I have finished my homework already, mum.--- When ________ you ________ it?
#39868
A
did; finished
B
did; finish
C
have ; finished
D
were; finishing