An awful accident ________, however, occur the other day.
#46996
A
does
B
did
C
has to
D
had to
推荐题目
It was in 1969 ______ two Americans went to the moon by spaceship.
#85060
A
when
B
that
C
at that time
D
just then
It was at school _____ he had studied _______ we met him last night. 
#84773
A
where; that
B
that; that
C
that; where
D
where; where
Sometimes I wonder ______ that has made me feel differently from the others. 
#85192
A
how is it
B
what is it
C
how it is
D
what it is