It's sports time．Most ________ students in Class 1are playing football on the playground．（ ）
| A． |
boy |
B． |
boys |
C． |
boy's |
D． |
boys' |
_____ with my father's handwriting， mine is poor．（ ）
A．CompareB．ComparedC．ComparingD．Compares
We can overcome all the difficulties by_____ together．（ ）
A．workB．worksC．workingD．worked
Man can't live ______water．（ ）
A．ofB．forC．fromD．without
My grandparents live in an old apartment with ______floors and they are on the ______floor．（ ）
A．five， fiveB．five，fifth
C．fifth，fifthD．fifth ，five
Take ______umbrella with you． It's____ useful tool on rainy days．（ ）
A．an， aB．a， theC．an， theD．the， the