It won’t make much ________ whether you agree or not.
A. difficulty
B. trouble
C. difference
D. matter

I can hardly imagine  ____  sailing across the Atlantic Ocean in five days.
A．Peter’  B．Peter  C．Peters  D．Peters

The beach is a ______  throw.
A．stone  B．stones  C．stones’  D．stone’s

Last week I called at my _____  .
A．a(chǎn)unt   B．a(chǎn)unts  C．a(chǎn)unt’s  D．a(chǎn)untes’

Miss Johnson is a friend of _______  .
A．Mary’s mother    B．Mary’s mothers’ C．Mary mother’s    D．Mary’s mother’s

The shirt isn’t mine. It’s _____  .
A．Mrs Smith     B．Mrs’ Smith
C．Mrs Smiths’     D．Mrs Smith’s

How far away is it from here to your school?  It’s about ______  .
A．half an hour’s drive   B．half hours drives
C．half an hour drives    D．half an hour drive

The rising _____  did a lot of ____  to the crops.
A．water; harm     B．water; harms
C．waters; harm     D．waters; harms

She told him of all her ___ and ____   .
A．hope; fear     B．hopes; fear
C．hopes; fears     D．hope; fears

As is known to us all,  ______ travels much faster than ______  .
A．lights; sounds     B．light; sound C．sound; light     D．sounds; lights