We all wonder so many students and their families are visiting Boston —area schools, such as Harvard, in their summer holidays.
| A．why it is that | B．why is it that |
| C．that it is why | D．it is why |
I must admit you _____________ but I'm afraid the answer is still no．
| A．will try | B．try | C．have tried | D．had tried |
Paul fell down and broke his wrist，____________ was a pity．
| A．which | B．what | C．that | D．it |
—Oh，my God! I've just broken the vase that my mother likes best．
—______________．It can’t be helped．
| A．That’s fine | B．All right | C．Never mind | D．Not at all |
--- Why didn’t you pay the accommodation rent?
--- The rent? ________.
| A．It all depends. | B．It’s up to you. |
| C．You are crazy! | D．That isn’t due yet. |
-—How about your conference?
-—Pretty successful．It allowed both sides of us to better understand ____ each stood on many issues．
| A．which | B．that | C．what | D．where |