---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
July 1,2011 is our Party’s birthday. It was founded on July 1, 1921.
#51837
A
ninety
B
ninetieth
C
nineteenth
D
ninth
In English, 99000044 reads _____________.
#51229
A
ninety-nine thousand, forty-four
B
nine million, nine thousand and forty-four
C
ninety-nine million and forty-four
D
nine hundred and ninety thousand, forty-four
The river is very long and it is about .
#51870
A
20 metres wide
B
15 metres long
C
30 metres high
D
50 metres tall
After the earthquake, soldiers went to Sichuan to help the people there.
#51492
A
two thousands
B
thousand of
C
thousands of
D
thousands
—Do you have enough students to carry the boxes?—No, I think we need students.
#51369
A
another
B
two others
C
more two
D
two more