Nobody can explain the mystery ____ he suddenly disappeared.
#70049
A
why
B
what
C
whether
D
which
推荐题目
When you read the book, you’d better make a mark _____ you have any questions.
#67720
A
at which
B
at where
C
the place
D
where
The patient’s son asked the doctor the question________his father could survive the big operation.
#68360
A
whether
B
if
C
that
D
what
The new secretary is supposed to report to the manager as soon as she ______________.
#67900
A
will arrive
B
arrives
C
is arriving
D
is going to arrive
The girl is _____ beautiful ____ she may become a film star when she grows up.
#41310
A
too; to
B
such; that
C
so; that
D
so; to