The bridge is about ________．
A．
50-metres long
B．
50-metre-long
C．
50-metre long
D．
50 metres long
There are ________ 30 students in the classroom．
at little
at less
at least
at more
用所给单词的适当形式填空。
It is ________(real)an interesting story．
I can't wait ________(see)my friends．
Millie came ________(one)in this exam．
England is quite different from ________(Chinese)．
He asked the policeman ________(help), because he got lost．
Andy often ________(help)his father with the farm work．
When ________ they ________(go)home yesterday?
Don't ________(run)so fast．