问题
The disease, ________, could spread very fast.
A:unless well controlling
B:if not well controlled
C:when not to control
D:although not being well controlled
B:if not well controlled
C:when not to control
D:although not being well controlled
正确答案是：
同类题型
What were you doing this time yesterday?—-I ________ my homework at John’s house.
Can I speak to Mr. Smith?— Sorry, sir. He isn’t in. You leave a message or call him later.
____homework is required for a middle school student every day ?—About two hours .
I can’t stop smoking, doctor. –For your health, I’m afraid you________.