-- "Mum, I think I'm________ to get back to school."-- "Oh, my dear. You'd better stay at home for another day. "
Computers of this kind __________. They are out of stock (脱销) now.
My teacher has given me lots of __________. They’re very useful.
—Do you like tea or coffee? —Coffee. I prefer coffee __________ milk.
What __________ good time we had having a picnic yesterday!
We never know____________ because happiness is everywhere.