— are you going to London?
—By plane.
| A．How | B．When | C．Why | D．Where |
—As we know it’s difficult to live in a foreign country.
—if you can’t understand the language there.
| A．Exactly | B．Naturally |
| C．Usually | D．Especially |
—Are you going anywhere?
—I about visiting my sister, but I have changed my mind.
| A．think | B．have thought |
| C．will think | D．thought |
You can't imagineamazing they areyou see them with your eyes.
| A．what； unless | B．how； unless |
| C．how； if | D．what； if |
—Oh, I had a terrible toothache!
—You’d better go to see a doctor and have your tooth out.
A. pull B pulling C. to pull D.pulled
—It’s bad to be late.
—Yes.be late for school,we have to get up early.
| A．So that | B．In order not to |
| C．So that not | D．In order to |