—This physics problem is too difficult. Can you show me _____, Wang Li?—Sure.A. what to work it outB. what to work out itC. how to work it out
--_____ you ever ____ to Beijing? -- Yes, I went there last year.
I’m looking for my bike. If you have any ideas ____ it might be, please call me.
—What’s wrong with them? -- They were ____ their daughter being out so late at night.
I don’t think Unit2 is more difficult. I think it’s _____.
Why are you making so much noise at midnight? I can’t ____it. Please keep quiet.