A study ________ in the USA in 1977 showed that the chemical ASA in aspirin could prevent a stroke.
---How often do you visit your granny in the village? ---I feel ashamed. .
Straight away I went to buy the tickets, but there were left for the next public holiday.
—Can I look at the menu for a few more minutes before I decide? —Of course.____, sir.
—Do you regret paying twenty dollars for the dictionary? —No.I ____ twice as much for it.
I am wondering ____ he expects will win the gold medal in Men's Single.