---What do you think of the American singer Lady Gaga’s performance?
---Too crazy, but if I _____to her concerts held yesterday, I would have enjoyed it.
| A．would go | B．went |
| C．had gone | D．should go |
—Hi, David! How was your trip to Beijing?
—Wonderful!I have never had ________ holiday in my life.
| A．a more exciting | B．a most exciting | C．the most excited | D．the more excited |
The operation is _______ success. and the patient is now out of ______ danger.
| A．a; the | B．/ ; / | C．/ ; the | D．a ; / |
—Thanks a lot, but can you do me one more favor, please?
—___________, sir. What can I do for you?
| A．Just a minute | B．It’s very nice of you |
| C．At your service | D．Not a bit |
That's the best way to ________ into the dangerous area.
| A．get people get | B．stop people to get |
| C．keep people getting | D．prevent people getting |
Out of ________ for the homeless, I gave them shelter for the night.
| A．regret | B．sympathy | C．alarm | D．shame |