When Tom got to the examination room, he realized he ______ his pen at home.
#52775
A
was leaving
B
had left
C
forgot
D
was forgetting
推荐题目
He found           very difficult           the math problem.
#52196
A
that;to solve
B
this;solving
C
it;to solve
D
it;solving
She was really sad becauseshe was told she ________give up volleyball. 
#60480
A
was able to
B
preferred to
C
would rather
D
would have to