—This physics problem is too difficult. Can you show me _______, George?
—Sure.
| A．what to work out | B．to work it out | C．how to work it out | D．how to work out it |
---Thank you for your help .---____.
| A．That’s right | B．Don’t mention it |
| C．All right | D．You are right |
---Have you seen ____ pen ? I left it here this morning .
---Is it _____ black one ? I think I saw it somewhere.
| A．a; a | B．a; the | C．the; a | D．the; the |
It is _____ good film that none of us dislike it .
| A．a so | B．so a | C．a such | D．such a |
_____ Lily _____ Lucy may go with you because one of them must stay at home.
| A．Not only ; but also | B．Either ; or |
| C．Both ; and | D．Neither ; nor |
He took a plane _____ he would get home early .
| A．so | B．so that | C．that | D．such that |