I don't know when he . When he , I'll let you know.A. comes, comes B. will come, comes C. comes , will come
A tourist will easily lose his way in Beijing ______ he has a map or a guide.
Most Japanese are greatly ___________ by the earthquake.
______ of his time ______ been spent on studies every day.
It’s important ______ us to learn from others. It’s wise ______ you to learn from him.
-- Excuse me, I want to buy some stamps. Where can I find a post office? -- I know ______ not far from here. You can find ______ without difficulty.