—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
He said he _____to the beach every Saturday.
Could you give me ___advice?
---Sorry, I don’t know what the teacher said just now. ----He asked Maria ________.
While he_____ on the phone, a man walked into his room.
---What should we do next? --- The first thing is ________ a hotel ________.