After we cleaned up the room， it looked________than before．（ ）
| A． |
tidier |
B． |
tidiest |
C． |
worse |
D． |
worst |
What happened next？
The heavy snow didn't ___the international airlines．（ ）
A．pay attention toB．add to
C．make a difference toD．keep to
What are you looking for？
I'm looking for the book __you lent me yesterday．（ ）
A．whoB．thatC．whoseD．what
_____ there are sharing riding bikes in cities， ______pollution there will be．
Yes． I think so．（ ）
A．The more ，the fewerB．The more， the less
C．The fewer， the moreD．The less， the more
I've made little progress in English this term．
Don't worry． _______（ ）
A．All roads lead to Rome
B．Rome wasn't built in a day
C．Well begun is half done
D．The early bird catches the worm
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