—Where is Linda? —She is in her room. I can hear her_____songs. A.to sing B.singing C.sings.
Nobody is perfect, but everyone is different ______________ others.
---Huangyan Island belongs to China. ---Surely it does! We Chinese will never__________it up.
---Will you go and see the movie Net Mother with me? ---Thank you. But I _________it already.
Lily and her sister look the same. I can't tell one from_______.
---Peter knows many people here. ---_________________