——I wonder _________ makes the video Gangnam Style so popular.
——The unique dance moves and funny horse riding scenes.
| A．how is it that | B．what is it that | C．how it is that | D．what it is that |
I’m going to buy a watch as _______ gift to my daughter, ______ one looking nice but not expensive.
| A．a, the | B．a, / | C．the, the | D．/, a |
During the period when he was in hospital, I _______ him to give up smoking but it didn’t seem to help.
| A．persuaded | B．advised | C．suggested | D．thought |
______this difficulty is overcome, other problems will be easy to solve.
| A．For | B．Whether | C．Once | D．Though |
Don’t mention that at the beginning of the story, or it may ____the shocking ending.
| A．give away | B．give in | C．give up | D．give off |
---How long ____ you ____ in Singapore?
---For just the weekend． I’ll be back next Monday morning．
| A．have; stayed | B．are; staying | C．did; stay | D．do; stay |