What are _____________?—–They are apples.
How long do you think ______ the Microsoft brings out a new product?
No school ever allows students to eat in class. But students are always allowed to eat snacks during the ________ break.
Mr Green has_____ one-year-old son, doesn’t he?–Yes, and he also has ______eight-year-old daughter.
The train_____ when I_____ to the station.[ ]