Mr. Li teaches _______ English and he is always very patient with us.
—I hear you are in my town.________any time you like.—I’ll if I have time.
—I haven’t worked the problem out yet.What am I supposed to do?—Try again!It’s only________difficult.
I’m not sure,but he’s supposed________sometime next week.
—You must________the bottle before you take the medicine.—OK,I will.
—A number of foreigners come to see the Great Wall every year.—Yes.It’s not only famous and beautiful but also the________of China.