— Have you found your English book? — I am not sure ____ I could have left it.
#74058
A
whether
B
what
C
when
D
where
推荐题目
The school shop, ________ customers are mainly students, is closed during class time.
#66969
A
which
B
where
C
whose
D
when
The idea ____ he didn’t have to stop at the red light at night caused the traffic accident.
#67850
A
that
B
which
C
what
D
why
It is in this very village , ___Mary was born 35 years ago , ___ she will build her first school , inspires everyone to help her .
#71602
A
where; that ; which
B
that ; that ; that
C
that ; when ; which
D
where ; when ; that
Tom searched carefully in the room _____ he might discover exactly what he needed.
#74595
A
in that
B
in order that
C
in case
D
even though