It took him ____ to find the key to the drawer. 
#51068
A
one and half hours
B
one and a half hours
C
one and a half hour
D
one and half hour
推荐题目
I’m ____ heavier than my brother. 
#51481
A
a few
B
few
C
a little
D
little
His father looks young, but in fact he is ______. 
#51836
A
in the forties
B
in his forties
C
in the forty
D
in his forty
It’s        educational book. I want to read it      second time.
#51443
A
a quite, a
B
a very, the
C
quite an, a
D
quite an, the
There are three ________ students in their school.
#51852
A
thousands of
B
thousand of
C
thousands
D
thousand
By the first day of August, 2007, the PLA has its ______ birthday.
#51372
A
eighty
B
the eightieth
C
eightieth
D
eighties