Only when class began _______that he had left his book at home.
#84018
A
will he realize
B
he did realize
C
did he realize
D
should he realize
推荐题目
______, Guo Mingyi makes his effort to help those in poverty.
#80578
A
Not rich although he is
B
In spite of not rich
C
Though not rich
D
As he is not rich
Some scientists believe that it won’t be long _______ robots are widely used in all walks of life．
#82112
A
since
B
after
C
before
D
until
Not until I ________ to work ____ how much time I had wasted.
#82288
A
did begin; didn’t I realize
B
began; I realized
C
did begin; I realized
D
began; did I realize
Across North China in the world, namely the Great Wall.
#81879
A
the longest wall runs
B
runs the longest wall
C
does run the longest
D
does the longest wall run