My parents often go to the movies___________ Saturday evenings．（ ）
| A． |
on |
B． |
in |
C． |
for |
D． |
at |
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
①﹣Do you know where the supermarket is？
②﹣Sorry ，I'm new here．
③﹣Thank you all the same．（ ）
A．①降调②降调③降调B．①降调②降调③升调
C．①升调②降调③降调D．①升调②升调③降调