How many times have you been to China?—In fact, it is the first time I __________ here

Mother is glad that he’s already done_______ 60% of the work in such a short time(西安市)

There was a fire last night and more than one house _____ burnt down in the fire.

You look frozen. Sit down by the fire and I________ you some hot tea.

This is the first time we________a filmin the cinema together as a family.