With modern technology, even babies weighing _______one kilogram at birth can survive.

Who is ___ English teacher—Well, it’s Mrs. Green. She teaches ____ English verywell.

(2014·南昌第二中学高三检测)We must keep our room clean，for dirt and disease go________，you know

Exercise is ______ as any other to lose unwanted weight　

I didn’t go to the mountains ___the bad weather.