John is 45kg. Mike is 50 kg. We can not say:A. Mike is bigger than John.B. Mike is thinner than John.C. Mike is stronger than John.
Today is Liu Tao's birthday. Shall we ______ a birthday card for him?
-Look at the beautiful flowers over there.-Let ________ go and see.
Oh,my glasses are on the floor. Can you pick ________ up for me,please?
It ________ there a moment ago.
Helen is looking _______ her pencil.