Is it true that light travels in a straight line and never ______ it hits something that reflects it.
A.turns; until | B.bends; unless | C.breaks; when | D.changes; until |
The number of the employees has grown from 1000 to 1200.This means it has increased ___20 percent.
A.by | B.at | C.to | D.with |
She was wandering what to do __ a policeman came and asked if he could help.
A.while | B.as | C.after | D.when |
It was with great joy ___ he received the news that his best friend woud come to Beijing.
A.because | B.which | C.since | D.that |
So far, several ships have been reported missing ___ the coast of Bermude Island.
A.off | B.along | C.on | D.around |
--They all agree ___George.Has the project been passed?
--Who ___ George can make the final decision?
A.except, except | B.except, besides | C.but, but | D.besides, but |