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
There are _____________ people in the supermarket. It's so crowded.
#51739
A
hundred
B
hundreds
C
hundred of
D
hundreds of
Cars were invented in         .
#51532
A
1885
B
1976
C
1876
D
1927
There are three ________ students in their school.
#51852
A
thousands of
B
thousand of
C
thousands
D
thousand