—Do you know why the teacher asks for me?—He wants you to _____ your absence last night．

You can hardly imagine the difficulty the woman had _____ her children. 

 The climate _______ the amount of the rainfall.And this kind of climate has no _______ on my health.

He told me that his request for a rise had been _____.

—What field will your son go into after graduation from Nanjing University?—I’m not quite certain, but he ____ a good teacher of English.