Miss Gao asked her mother if she _______ to the hospital the day before when she was out.
The doctor said he must avoid excitement in order for the disease to __________.
Microscope will __________ much that cannot be seen with the naked eye.
He __________ fine new clothes than for anything else.
—According to my grandma, it is a good idea to eat chicken soup when you have a cold.— __________, scientists agree with her.
So difficult __________ it to work out the problem that I decided to ask Tom for advice.