—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
---We’re going to Mount Emei this weekend.--- ______
The meat is______dear and eating______meat is bad for your health.
______he was tired,______he didn’t stop______.
I______he______come tomorrow.
He’d better ______a doctor if he ______well.