—How long does Kitty spend on her homework?—________.
#51621
A
Half an hour
B
A half hour
C
Half hours
D
An half hour
推荐题目
---Wow! These inventions are amazing．—They were all invented _______years ago.
#51552
A
hundred
B
hundreds
C
hundred of
D
hundreds of
Quzhou is a beautiful city. Every year there are __________ tourists.
#51551
A
thousands
B
thousands of
C
thousand
D
thousand of
—Which module is the most difficult in this book?— I think _____ module.
#51550
A
ninth
B
the ninth
C
nineth
D
the nineth
______ of that country is covered by snow.
#51539
A
Second thirds
B
Two thirds
C
Twos thirds
D
Two third
What a lovely present the old lady has received for her ______ birthday!
#51661
A
eighteen
B
eighty
C
eighteenth
D
eightieth