________her mother after being separated for 20 years，she couldn't help，even though she tried not to，________.
| A．Seen；crying |
| B．To see；cry |
| C．Seeing；crying |
| D．Having seen；cry |
Because of the measures the United States has put, along with the world-class health system, the chances of an Ebola outbreak in the country is extremely low.
| A．in place | B．in turn |
| C．in need | D．in return |
Experienced liars can make use of gestures to take you in; for instance, they often ______ look at you straight in the eyes as if they were telling the truth.
| A．mildly | B．curiously |
| C．deliberately | D．gradually |
Doctors will conduct a(an) _______ examination to determine whether your eyes are suitable for the operation.
| A．constant | B．optimistic |
| C．thorough | D．original |
The recent study has shown that people’s attitudes towards protecting the environment aren’t _________with their behavior in daily life.
| A．reliable | B．consistent |
| C．positive | D．cautious |
After a short break, the teacherthe lesson where she had left off just now.
| A．swept up | B．speeded up |
| C．broke up | D．took up |