The doctor warned us ______ the ______ of the germs(病菌) by cleaning our hands from time to time.A. controlling, spreadB. to control, spreadC. to control, development
Yang Liwei is the first man ________ the moon.
-I'm going to Hainan with my family in Spring Festival. -__________.
-Dad, could I stay out late tonight? -__________. You have to get up early tomorrow morning.
-Do you like to go to school __________? -No. I __________ to school every day.
-Mona works really hard. -I agree. ___________she is ill, she still goes to school.