Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
| A．to do | B．to have done | C．to be doing | D．to have been doing |
These plastic flowers look so _____ that many people think they are real.
| A．beautiful | B．natural | C．artificial | D．similar |
.It was so dark in the cinema that I could hardly ____ my friend.
| A．turn out | B．bring out | C．call out | D．pick out |
When I took his temperature, it was two degrees above _____.
| A．average | B．ordinary | C．regular | D．normal |
Don’t be _______ by products promising to make you lose your weight quickly.
| A．taken off | B．taken out | C．taken away | D．taken in |
What makes the space shuttle _____ is that it takes off like a rocket but lands like an airplane.
| A．exceptional | B．strange | C．unique | D．rare |