David, get up early, ________then you’ll catch the early bus. 
#37508
A
but
B
and
C
after
D
or
推荐题目
We all like _____________ animal. Because they are ____________ interesting.
#43128
A
kind of; kind of
B
this kind of; kind of
C
kind of; kind of
D
this kind of; this kind of
-How tired we are!-Yes. ______we have math tests, _______we have physics tests. So many tests. 
#43376
A
Sometime, at other time
B
Sometimes, at other times
C
Sometimes, at another time
D
Sometime, at another times