Math is difficult for me. How I wish to improve it!－Don’t lose your confidence. I believe you will ______ it if you keep trying.

Have you got any news from Jane about the English contest？— No. She said she ______ know when ______ be held, either.

Have you found your English book?—No, I haven’t found ________, but I borrowed ________ from Jack this afternoon.

Shandong lies ____the east of Chinaand Japan lies_______the east ofChina.[ ]

The sentence structure (结构) of “They painted the walls white.” is “_____”. [ ]