We can get a lot of useful information on the Internet; ______, the Internet also provides us with a new way of communication.
| A．otherwise | B．therefore | C．however | D．besides |
In order to catch up with her classmates, _____.
| A．a lot of books were bought by Mary’s mother |
| B．Mary’s father helped her with her lessons |
| C．Mary worked hard at her lessons around the clock |
| D．Mary’s classmates helped her a lot |
—Do remember to watch out for cars while crossing the street.
—_____.
| A．Heard it | B．Got it | C．Forgot it | D．Made it |
—_____ that he picked up his uncle at the airport?
—It was at 6:00 in the afternoon _____ he got off work.
| A．Was it when; that | B．When was it; that | C．Was it when; when | D．When was it; when |
Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2012, _____ are popular with teenagers.
| A．many of whose songs | B．and many of whose songs |
| C．many of which songs | D．many of his songs |
—Why does Mary look so worried today?
—I’m not sure, but she _____ a small accident driving here.
| A．must have | B．might have | C．must have had | D．might have had |