A poet and artist with high fame ______ coming to speak to us about Chinese literature 
and painting tomorrow afternoon.
| A.is | B.are | C.was | D.were | 
.
 When ___ help, one says “Thank you” while when _________ help, one asks “Can I help you?”
| A.offered; offered | B.offering; offered | 
| C.offering; offering | D.offered; offering | 
.
 The key point is not who said the words, _________ they are true or not.
| A.but whether | B.and whether | C.but how | D.and how | 
.
 As I know, it is five years since Mary _________ in the south.
| A.lives | B.lived | C.has lived | D.was living | 
.
 Jim is _________ person, and everyone is willing to be with him.
| A.so kind a; friends | B.so a kind; friend | 
| C.such kind a; friends | D.such a kind; friend | 
.
 ._________ the teacher couldn’t understand was _________ fewer and fewer students showed interest in her lessons.
| A.What; why | B.That; what | C.What; because | D.Why; that |