Students are encouraged to _________ the design competition for robots at the university.
| A．take part | B．operate | C．join to | D．participate in |
— I have never been to the United States before.
— ______! Your spoken English is amazing.
| A．You can’t be serious | B．You got it |
| C．I couldn’t agree more | D．I am not surprised at all |
In fact, he______ in bed all the morning without doing anything, but he ______ to
me about that.
| A．lied; lied | B．lay; lay |
| C．lied; lay | D．lay; lied |
Britain, as well as many other industrialized countries, ______ major changes in the past 100 years.
| A．have experienced | B．has experienced |
| C．have been experienced | D．has been experienced |
— Tom is an honest boy and he works really hard!
— It is the same ______ you.
| A．as | B．with | C．about | D．to |
It is generally considered that air pollution is ______ danger to ______ nature.
| A．/; a | B．/; the | C．/; / | D．a; / |