So quickly ____________ is a possibility today may be a reality tomorrow.
| A．are science and technology advancing that |
| B．science and technology advancing are that |
| C．are science and technology advancing that what |
| D．science and technology advancing what that |
Please excuse me _______ your letter by mistake.
| A．to open | B．to have opened |
| C．for opening | D．in opening |
The film star walked to his car, ______ a crowd of journalists.
| A．followed by | B．following by |
| C．to follow | D．to be followed by |
“Mum, why do you always make me eat an egg every day?” “________ enough protein and nutrition as you are growing up.”
| A．Get | B．Getting |
| C．To get | D．to be getting |
_______ on time, this medicine will be quite effective.
| A．Taking | B．Being taken |
| C．Taken | D．Having taken |
“Where is David?” “He is upstairs ______ ready to go out.”
| A．to get | B．getting |
| C．to be getting | D．having got |