The of surfing the Internet is how you can tell whether the information is true or not.
| A．ability | B．competition | C．challenge | D．knowledge |
Now that he has missed his ________, he'll have to wait for the next round.
| A．chance | B．turn | C．duty | D．class |
— Were you worried about him last night? — Yes. It was ________.
| A．until he returned that I went to bed | B．until be returned that l slept well |
| C．not until he returned that I went to bed | D．not until did he return that I went to sleep |
.These are all ________houses for the homeless.
| A．newly – building | B．newly-builder | C．new - building | D．newly - built |
Doesn't this bus go to the park? — ________.
| A．Yes, we do | B．No, this is as far as we go | C．You're welcome | D．I'm very sorry |
I'm sure the beauty of ______ nature there will make________excellent impression upon you.
| A．the; an | B．/; the | C．the; / | D．/; an |