It is hard to imagine what I ___ today if I hadn’t been admitted to Nankai Middle School 15 years ago.
to his teaching work, she has no time to take care of her own child.
The sand in the river is increasing these years. We must to protect the environment.
The idea puzzled me so much that I stopped for a few seconds to try to .
Her joke went too far. It was more than I could .
The employee to impress the company with his cleverness and promptness.