You can only be sure of _______ you have at present;you cannot be sure of something _______ you might get in the future

Not only I but also Jane and Kate ___ tired of reading one book after another.

______ to see us, the professor gave us a warm welcome.

This time last year I paid a visit ______Shandong which is 5000 kilometers _____

Didn’t you go fishing with your friends last Sunday—No. I ______ to the nursing home as usual.