For years, it was viewed as a serious problem, ________ that has never been really solved.
| A．one | B．where | C．it | D．which |
It just isn’t fair_____ I was working as a waiter last month; my friends were lying on the beach. .
A whenever B. though C. for D. while
The traffic is heavy this day, I _____ arrive a bit late, so could you save me a place?
| A．can | B．must | C．need. | D．might |
is the power of TV that it can make a person suddenly famous.
| A． |
Such |
B． |
This |
C． |
That |
D． |
So |
_____ , you need to give all you have and try your best. 
| A．Being a winner | B．To buy a winner |
C．Be a winner | D．Having been a winner |
This area experienced. ___ heaviest rainfall in _____month of May. 
A. 不填; A. B. a; the C. the; the D. the ; a