Mr. Smith didn’t understand _____ made his son so upset that evening.
#85303
A
what was it
B
why it was this
C
how that was
D
what it was that
推荐题目
It is usually not quite cold in this area in March, but sometimes temperature________ be very low.
#85497
A
should
B
can
C
must
D
shall
It was the rescue team ______helped the victims in the earthquake in Tibet.
#85477
A
which
B
what
C
who
D
whom