Tom is weak in physics. He always feels _______ before he takes a physics test.

What is Antonio like?—Well, he is pretty ___________. He often gets nervous when he has to meet new people.

China develops so fast. —That’s true. It ______ a lot already.

His jewelry shop is said ____ and he can’t help but____ the fact.

How much rice is there in the bag?—-______.