It is the third time that he ____ abroad on business this year.
#82042
A
goes
B
went
C
has gone
D
go
推荐题目
Only then ___ that he had made a mistake.
#83769
A
he realized
B
did he realized
C
realized he did
D
did he realize
 ____ in the United States, St Louis has now become the 4th largest city. 
#80941
A
It is the 24th biggest city
B
It was the 24th biggest city
C
Before the 24th biggest city
D
Once the 24th biggest city
__________ you eat the correct foods ___________ be able to keep fit and stay healthy.
#84450
A
Only if … will you
B
Only if … you will
C
Unless … will you
D
Unless … you will
______ late, he also forgot his books.
#82413
A
Not only he turned up
B
Not only he turned out
C
Not only did he turn out
D
Not only did he turn up
_________ can you expect success.
#81395
A
By working hard
B
Working hard
C
Only with hard work
D
Through hard work