Ben is a hard﹣working writer．He wrote his_______ novel when he was______years old．（ ）
A．five；fiftyB．fifth；fifty
C．fifth：fiftiethD．five；fiftieth
﹣I'm looking forward to the picnic tomorrow．
﹣I'm sorry to tell you that we have _____the picnic till next weekend．（ ）
| A． |
gone on |
B． |
put off |
| C． |
given up |
D． |
prepared for |
I can't find my bag．Maybe someone took it _______．（ ）
| A． |
in fact |
B． |
by mistake |
| C． |
by accident |
D． |
in person |
The more knowledge you get，the _____you will be．（ ）
| A． |
braver |
B． |
poorer |
C． |
stranger |
D． |
smarter |
Larry，____the cake into six pieces and share them with your friends．（ ）
| A． |
mix |
B． |
turn |
C． |
make |
D． |
divide |
Too many cars are_____to be environment，so we'd better take the bus more．（ ）
| A． |
useful |
B． |
harmful |
C． |
helpful |
D． |
meaningful |