When we got to the airport, the plane was starting _____.
| A．taking off | B．to take off | C．take off | D．to taking off |
Doctors have said that as many as 50% of patients don't take medicine ________.
| A．like directed | B．to be directed |
| C．as directed | D．so that directed |
________，I will help you with your work.
| A．If I am possible | B．If it possible |
| C．If possible | D．Possible |
With so much noise outside, I couldn’t my work and wondered what was happening.
| A．leave out | B．concentrate on |
| C．look after | D．watch over |
If you’re unable to come to the interview, you should us immediately.
| A．remind | B．inform |
| C．remember | D．impress |
My parents don’t of my traveling outside alone during the summer holidays.
| A．submit | B．reject |
| C．approve | D．suspect |