–Can I get out at noon?--No. Our school rules state that no student ____ be allowed out at noon, unless he has a request form.

The book ________ be Tom’s. Look! His name is on it.

I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.

---Honey, stay home before I return. ---I _______, mum. 

The careless man received a ticket for speeding . He ____ have driven so fast .