Where is Li Lei? Do you know?—He’s _____ the apple tree.[ ]

Which T-shirt do you want to buy?– The ________ one

Father’s Day is _______ June 21 this year. [ ]

Look! Someone is cutting a tree on the moon.–It _______ be true, Granny. Our teacher says there is no air there.

What are you doing _____vacation?[ ]