Our country now has____ high﹣speed rail network in the world．（ ）
A．longB．longer
C．longestD．the longest
Which country has the ______ population in the world？
China．It's a little ______ than that of India．（ ）
A．most，mostB．biggest，bigger
C．more，mostD．bigger，bigger
Do you think we should share our problems with our parents？
Sure! ______ we talk to them，we will feel worse．（ ）
A．If．B．Although．C．Because．D．Unless
I haven't find the book report of Journey to the West．It's so difficult．
You should hurry up．The report is due ______ three days．（ ）
A．inB．forC．onD．at
What's your prediction about the ______ of our school basketball match next week．
I'm sure Class 8 will be the winner．（ ）
A．teammateB．result
C．informationD．player
Our classroom is so clean．Who's cleaned it，Li Fei？
Sorry，I don't know．I think ______ did it before class．（ ）
A．somebodyB．nobodyC．everybodyD．anybody