Stress can be extremely damaging to your health. Exercise, _, can reduce its effects.
| A．at the same time | B．while | C．though | D．meanwhile |
To their surprise, they found the lecture given by the famous professor easy ______.
| A．to be understood | B．to understand | C．understanding | D．understood |
— Did Jack come back early last night?
— Yes. It was not yet eight o’clock ______ he got home.
| A．before | B．when | C．that | D．until |
The hunter insisted that he _____ a tiger and that a searching team ______ to hunt for it.
| A．has seen; be set up | B．had seen; be set up |
| C．saw; would be set up | D．should see; should be set up |
---May I speak to Juliet, please?
---Juliet? I am afraid there is ___________ in our company.
| A．such a no girl | B．such no girl | C．no such a girl | D．no such girl |
You can’t be ______ when you camp _____ a high altitude, ________ the air is thin.
| A．enough careful; at; which | B．too careful; at; where |
| C．careful enough; on;at which | D．too careful; on; that |