There are a lot of apples ______ the tree and some birds are ______ the tree, too. [ ]

Can you give me a hand?—Sorry, I can’t help you do this because it is ________my ability.

Can you work out the maths problem?— Sorry, I can ______ understand its meaning.

____ is Mary?—She is five.[ ]

This kind of T-shirt looks ______ and sells ______.