I can’t find Mr. Smith. Where did you meet him this morning— It was in the hotel ______ he stayed.

_Jane won the first prize in the English speech contest. –_ big progress she has made! She used to be weak in English.

The class ______ big. Now the class_______ practicingswimming.

who______it be that is knocking at the door —It_______be Father, but I’m not sure.

The fridge produced by Haier is highquality and is not expensive either