---Wow! These inventions are amazing．—They were all invented _______years ago.
#51552
A
hundred
B
hundreds
C
hundred of
D
hundreds of
推荐题目
Shanghai is ______ years old.
#51757
A
seven hundred
B
seven hundreds
C
seven hundreds of
D
seven hundred of
Helen is my friend. She is in ______ at Beijing No.11Middle School.
#51463
A
Year 3
B
3 grade
C
3th Year
D
grade third
There are _____________ doctors and nurses in that hospital.
#51528
A
thousand
B
two thousand
C
two thousands
D
thousands of
– Your father looks tired! -- Yes, he worked for _________ after twelve o’clock.
#51838
A
two more hours
B
two another hour
C
more two hours
D
another two hour
Each of the singers _______ a ________ swimming pool.
#51687
A
has; fifty-metres-long
B
have; fifty-metres-long
C
has; fifty-metre-long
D
have; fifty-metre-long