Stage fright is a common example of___educators call a“lack of confidence”among students.
| A.that | B.what | C.which | D.whose | 
Fog and Haze occurred in many areas of our country , a large area of low visibility condition in the city.
 A causing B cause C to cause D caused
In his speech, he said that it was his primary school teachers that he was fond of ________influenced his whole life.
| A.what | B.which | C.as | D.who | 
—Why are you crying? Today is your birthday!
 —____________. I am so excited with so many friends surrounding me.
| A.None of your business | B.Don’t mention it | 
| C.Just can’t help it | D.That’s all right | 
—I acquired ______ Van Gogh from a businessman from Paris the other day.
 —Really? Are you sure it’s ______ real one?
| A.a, a | B./, the | C./, a | D.a, the | 
—Happy birthday, Mary!
 —Thank you! It’s the best present Ifor.
| A.should have wished | B.may have wished | 
| C.must have wished | D.could have wished |