We have done things we ought not to have done and ________ undone things we ought to have done.
| A．left | B．leaving | C．will leave | D．to leave |
After the recovery from her illness, my mother began to writing something as a way to kill her time.
| A．make up | B．put up |
| C．give up | D．take up |
The UK, ____Great Britain and Northern Ireland, is a country famous for its long history.
| A．consisted of | B．consisting of |
| C．which consist of | D．consists of |
The U.N. announced, “China so far _________$6 million to the World Food Program to help ease food shortages in the three African countries worst affected by the Ebola virus.”
| A．contributed | B．contributes |
| C．is contributing | D．has contributed |
-- -You should have thanked her before you left.
-- - I meant ________, but when I was leaving I couldn’t find her anywhere.
| A．to do | B．to |
| C．doing | D．doing it |
The imaginary line passes through Greenwich, so Pingyu had a photo ______ standing on either side of it.
| A．to be taken | B．taking |
| C．taken | D．being taken |