This is _______ important book. It helped me a lot in ________ old days.
#37193
A
a; an
B
an; the
C
the; an
D
/; the
推荐题目
I have two sisters, but ____ of them is a teacher.
#36221
A
all
B
neither
C
both
D
none
I don’t know when he_____________; when he__________, I’ll tell you. 
#39636
A
come; will come
B
will come; comes
C
comes; will come
D
will come; comes
It _______ me 20 minutes _______ to the park.
#43308
A
spends ; to walk
B
spends ; walking
C
takes ; to walk
D
takes ; walking