The secretary worked late into the night, ______ a long speech for the president.
| A．to prepare | B．prepared | C．preparing | D．to be prepared |
------Is Bob still performing?
------I’m afraid not. He is said the stage already as he has become an official.
| A．to have left | B．to leave |
| C．to have been left | D．to be left |
the responsibilities of the family, I worked hard to earn a living.
| A．Being burdened with | B．Burdened with |
| C．Burdening with | D．To burden with |
The color green in ancient Egypt symbolized spring, which is the time of _______ year when things in nature start to grow after _______ long winter.
| A．/; a | B．the; the | C．/; the | D．the; a |
-----Excuse me, but could I trouble you for some change?
------_______.Will pennies do?
| A．I know | B．Never mind | C．I am sure | D．Let me see |
There are some health problems that, when ___in time, can become bagger ones later on.
| A．not treated | B．not being treated |
| C．not to be treated | D．not having been treated |