Steve is good at writing short stories．
So he is．But he writes _______ than us．So he can't get good grades in writing．（ ）
A．most carefullyB．more carefully
C．less carefullyD．least carefully
Life is like riding a bicycle．To keep your ，you must keep moving．（ ）
A．promiseB．positionC．balanceD．ability
My cousin Andrew is crazy about doing many things by （ ）
A．herselfB．himselfC．himD．her
I think playing football is a good way to learn the spirit of teamwork （ ）
A．aB．anC．theD．/
Which of the following sentences is a FACT？（ ）
A．Xuzhou is in Jiangsu Province
B．Xuzhou is a beautiful place to go
C．Life in Xuzhou is getting better
D．People in Xuzhou are friendly
David said that the glass was broken and warned me __________ it．（ ）
A．don't touchB．to not touch
C．not to touchD．no touching