They don't feel safe in our town at night because it so dangerous. There's a robbery every week now.
| A．becomes | B．became | C．has become | D．had become |
Would it be ____ for you to pick me up at four o’clock and take me to the airport?
| A．free | B．empty | C．kind | D．convenient |
John Snow was ____famous doctor in London—so expert that he attended ____Queen Victoria as her personal physician.
| A．a; / | B．the; the | C．the; a | D．a; the |
—Waiter, ____?
—Wait a minute, sir. That’s $ 80 altogether.
| A．would you charge me |
| B．how much did we eat |
| C．may I have the bill, please? |
| D．would you take the money |
I have been waiting for a bus for such a long time. Wish I _______ a book with me!
| A．brought | B．would bring |
| C．had brought | D．bring |
— When did Lily’s brother finally stop drinking alcohol?
— It was in May _____he was put into prison for drunk driving.
| A．that | B．when | C．since | D．before |