1 . Wolves cannot climb a tree so when you ________ one, hide on the tree.

A．come across

B．come out

C．come about

D．come up

2 . The novel has been translated into ten languages since it ________.

A．had come out	B．has come out
C．came out	D．comes out

4 . If you ________ a word you have never seen before, you can look it up in the dictionary.

A．come up

B．come up with

C．come across

D．come out

5 . It is hoped that the question will _______ at the meeting.

A．come up

B．come up with

C．be come up

D．come out

6 . The subject ________ in conversation.

A．came up

B．came down

C．came out

D．came over

8 . It will soon be announced _______________________________（谁获得第一名）.

9 . 选词填空

come across； come from； come on； come out； come up with； come true

1. —You know what? I've got a New Year concert ticket.
—Oh, ________. You're kidding.
2. Should you ________ waste paper thrown out of a passing car, pick it up.
3. Our students ________ different backgrounds but have the same desire to learn online.
4. I was amazed that he'd ________ this sweet idea.
5. My long－awaited dream ________ at last.
6. The smartphone－like glasses will likely ________ this year and cost between $250 and $600.

10 . To our disappointment, very few scientists ______ completely new answers to the world’s problems at the meeting.

A．came up

B．came out

C．came across

D．came up with