Our city is cleaner than it______be．（ ）
A．is used toB．used toC．uses toD．is used
What is the___________of your excellent Taiji？
Practice makes perfect!（ ）
A．resultB．purposeC．choiceD．secret
What do you think of Mr．Liu？
He is quite_________， but he is good at telling funny stories．（ ）
A．friendlyB．patientC．seriousD．humorous
Oh! Mum， where's my notebook？ I_______find it．（ ）
A．can'tB．needn'tC．shouldn'tD．mustn't
Linda______her mother．
Yeah． Both of them have curly hair and blue eyes．（ ）
A．looks likeB．looks at
C．looks afterD．looks for
May I have some more chicken？ It___________so delicious．（ ）
A．feelsB．smellsC．tastesD．sounds