Our dining hall is always ________________ teachers and students at noon.

I have some problems _____ my Chinese learning. Can you help me with it?—Sure.[ ]

Tom! Don’t put the book so close to your eyes! Move it a bit. — OK, mom. Is it all right?

. A: Whose shirt is this? Is it Tom’s? B: No, it isn’t. ______________ is white.

Look! There are lots of children on the beach. They are _____________ and happy.