.Mr. Black has been teaching English in a middle school _____ he came to China.
#13061
A
for ever
B
ever since
C
ever before
D
long before
推荐题目
No one is allowed, no matter who he is, _____ the room unless he has a permit.
#12244
A
enters
B
to enter
C
entering
D
entered
Peter’s jacket looked just the same as Jack’s, but it cost ______his.
#14323
A
as much twice as
B
as twice much as
C
much as twice as
D
twice as much as
Rescuers are ______ for the safety of the two men trapped in the mine.
#12465
A
grateful
B
concerned
C
extreme
D
frightened