[ Grammar ]
We should develop such _________ sources of energy as solar energy and nuclear energy
A. traditional
B. surprised
C. hopeful
D. alternative
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Vocabulary › ViewHe is a __________, and he loves to try new things and challenge himself. He has done skydiving, bungee jumping, and rock climbing.
A. risk-taker
B. optimist
C. realist
D. pessimist
Grammar › View
It was … advice. It helped me a lot.
A. Useful
B. Useles
C. Used
Grammar › ViewThere are 3,000 species of fish __________ the colourful coral species.
A. among
B. over
C. between
Grammar › View
There has not been a great response to the sale,….
A. does there
B. hasn’t there
C. has there
D. hasn’t it