Prices____ all the time and no one knows when they         stable.
#101890
A
are going up; become
B
have been going up; will become
C
have gone up; will become
D
have been gone up; become
推荐题目
By the time you get to Beijing tomorrow, I ______ for Shanghai.
#101206
A
am leaving
B
should have left
C
will leave
D
will have left
Drivers must stop when the traffic lights _____ red.
#99314
A
turn
B
will turn
C
turned
D
were turning