Sound travels in the same way as light _____.
| A．travel | B．has done | C．traveled | D．does |
He would be sure ________ disasters if I didn't stay to keep an eye on him.
| A．of meeting | B．about meeting |
| C．meeting | D．to meet |
—Whose advice do you think I should take?
—________.
| A．You speak | B．That's it |
| C．It's up to you | D．You do it |
I would rather________Professor Smith and I would rather you________for him at once.
| A．invite；sent | B．invited；send |
| C．inviting；sending | D．invite；sending |
I lost my key this morning，so I had no choice but________for my husband.
| A．wait | B．to wait | C．waiting | D．waited |
—Excuse me，can you spare me a few minutes?
—________？
| A．What's on | B．What's up |
| C．What is it | D．What's more |