Recently people have made great progress in using ____ power of nature to produce____ electricity.
A.a; the | B./; / | C.the; / | D.a; an |
—Are you worried about his safety?
—Only .
A.faithfully. | B.broadly | C.slightly | D.extremely |
Although he is old, he’s very . However, when he was young, he was very lazy.
A.peaceful | B.willing | C.stubborn | D.active |
—What is the model plane like?
-Well, the wings of the plane are of its body.
A.more than the length twice | B.twice more than the length |
C.more than twice the length | D.more twice than the length |
All cars made nowadays are with safety belts.
A.prepared | B.packed | C.built in | D.equipped |
Before going abroad, he devoted all the time he could his spoken English
A.to improve | B.to improving | C.improve![]() |
D.improving |