_____ great fun Peppa and George have jumping in muddy puddles （泥坑）!（ ）
| A． |
What |
B． |
What a |
C． |
How a |
D． |
How |
Last week the old books to raise money for Free the Children．（ ）
A．soldB．are soldC．were sold
﹣﹣How is Jack in the new school？
﹣﹣He is doing very well，there is to worry about．（ ）
A．somethingB．anythingC．nothingD．everything
﹣3﹣D printing could be used to build a house in less than 24 hours．
﹣It amazing．It's my first time to get to know this．（ ）
A．soundsB．smellsC．tastes
It is necessary people to have food and water every day．（ ）
A．ofB．forC．with
﹣This camera is too expensive．Do you have any others？（ ）
﹣Sorry，but that's the one．
A．biggestB．longestC．cheapest