Do you mind ________the door for me? __________
It has been five days ______ the little girl left home. A. since B. after C. until
The man makes a living teaching. A. for B. with C. by
The only language ____ is easy to learn is mother tongue.
It is well-known that such a thing must ________ happening again.
-I wonder if your wife will go to the party.-If your wife ____ ,so _______ .