Many accidents _________ by careless drivers last year .
#39725
A
are caused
B
were caused
C
have caused
D
will cause
推荐题目
The manager ____ nothing about the matter ____ he read his secretary’s report.
#38680
A
had known, when
B
has known, before
C
will know, after
D
knew, until
My mother _______________ my aunt called her.
#41811
A
was cooking while
B
cooked when
C
cooked while
D
was cooking when
Yesterday, when I went past the classroom, I _______ someone _______.
#42070
A
hear, singing
B
heard, singing
C
heard, sang
D
hear, sang