He will be back in ___ hour. 
#39548
A
/
B
the
C
a
D
an
推荐题目
_______ the teachers in the school is one hundred, and _______ of them are women teachers.
#43338
A
The number of; four-fifths
B
A number of; four-fifth
C
A number of; four-fifths
D
The number of; four-fifth
Mother often does the laundry on Sunday.
#43270
A
does the cleaning
B
washes clothes
C
goes shopping
D
does some reading