Tom has been out of work for two years, so he has difficulty______.
| A．earning living | B．earning his living | C．to earn livings | D．to earn his living |
More and more foreign students come to China to learn________ Chinese language.
| A．a | B．the | C．an | D．不填 |
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 |