Modern science has given clear evidence ______ smoking can lead to many diseases.
A. what B which C. that D where
Google is testing a new television programming search service, _____ users to find shows as well as videos from websites like Youtube.
| A．having allowed | B．allowing | C．to allow | D．allowed |
—How can you say so about my boss?
— Don’t get me wrong. I _____ ill of him.
| A．won’t speak | B．wasn’t speaking |
| C．haven’t spoken | D．hadn’t spoken |
A growing number of people are beginning to believe that learning new skills and knowledge _____ more promotion opportunities.
| A．contributes to | B．refers to | C．devotes to | D．appeals to |
— Why are you so upset? What has happened?
— You know, I’ve come to the point ______ I can’t stand her arguing any longer.
| A．where | B．which | C．whether | D．what |
Police are now searching for a woman who is reported to since the flood hit the area last Friday.
| A．have been missing | B．have got lost |
| C．be missing | D．get lost |