Choose the series of prepositions that best completes the following sentence.

There's always a risk _______ an earthquake in Japan. It's difficult to concentrate _______ your work, when you know there could be a disaster any minute.

Mary couldn't help _______ at John's joke.

I said, 'She has been working in this office since 2007.'

Jack, leaning casually ________ the tree, watched as Sally walked slowly ________ him.

Those who are not wise ____________ .

Which of the following sentences is punctuated correctly? 'Come here, she said, and let me get a good look at you.'

Which of the following sentences is NOT punctuated correctly? We expect only three things from our dog: loyalty, affection, and tail wagging.

Victor, who stole _______ ideas and used them to make _______ a millionaire, never once offered _______ a word of thanks.

I find it very hard to remember _________ letters that are entrusted to me. In fact, I remember _________ to do so dozens of times!

Which of the following sentences is punctuated correctly? 'Come here, she said, and let me get a good look at you.'

Those who are not wise ____________ .