I’m going to buy a car. Any advice, Charlie?—Well, it depends on(根据) ________. If money isn’t a problem, you can buy a BMW.

The box is ______ heavy for me ______ carry.[ ]

Can you guess _________ the new Nike sports shoes?—Yes. Maybe he asked his grandpa to pay for them, I think.

Sam, my iPhone is in my bedroom. Could you ____________ it for me? — No problem.

When I entered the classroom, _______ my surprise, all of the students stood up quickly.[ ]