During the 1950s，R&.B changed modern music further and led to＿＿＿＿we know as rockand roll.
| A．as | B．what | C．that | D．which |
—How many pencils would you like,Madame?
—Well,I want_________of these.
| A．three dozen | B．three dozen of | C．three dozens | D．three dozens of |
In 1948, the place where his father had been buried was finally discovered, marked only by _____, on a simple stone.
A, a 43-numberB, the number 43rdC, the number 43D, the 43 number
—What kind of person do you want to help you?
—______ always trying his best and never giving up in time of difficulty.
| A．That | B．The one | C．One | D．Such |
—I wonder why the couple often eat out?
—Oh,it is sai that_________of them can cook.
| A．none | B．not both | C．neither | D．not all |
Don’t worry.______ and we will complete the task you assigned to us.
| A．Another hour | B．An hour later | C．After an hour | D．In an hour |