Don’t promise anything ________ you are one hundred percent sure.
#37297
A
if
B
after
C
when
D
unless
推荐题目
 — _______the door, please.     —Come in please. The door _______.
#42317
A
Be open; opens
B
Be open; is opening
C
Open; opens
D
Open; is open
 --- _______ the banks?  ---They are across from the hotel.
#35725
A
Where is
B
Are there
C
Is there
D
Where are
The ___ man told us his past days before he ____. His __ made us very sad. 
#43609
A
dying; died; death
B
dead; dying; die
C
dead; died; dying
D
dead; dying; death
I heard that we must have _________ teaching building __________ .
#36349
A
another , to be built
B
the other , to build
C
a third , built
D
the other , built