Is the woman a teacher? —Yes. She teaches ________ English.

The medicine may help with your illness, but it may make you _____ , so you must be careful not to drive a car after taking such a medicine.

Look at _____boy over there. Do you know him?—Yes. He is from Shanghai .

How long does Kitty spend on her homework?—________.

The children will climb the hill if it _____ tomorrow.