The expressions they use might whom they are speaking to or how well they know each other.
| A．instead of | B．lead in to |
| C．because of | D．depend on |
—Do you know _____ ? I'm going to see him. —Sorry, I don't know.
| A．where does Mr. Li live | B．where did Mr. Li live |
| C．where Mr. Li lives | D．where Mr. Li lived |
I often make mistakes ___________ grammar..
| A．by | B．through | C．across | D．in |
--- ________. Could you tell me the way to the station?
| A．Pardon | B．Excuse me |
| C．Sorry | D．Ok |
_______ dangerous the animals are！
| A．What a | B．What |
| C．How a | D．How |
— I haven’t got a partner _________ . — Maybe you can ask John for help.
| A．work with | B．to work |
| C．working with | D．to work with |