How many more decades will have to pass ______ scientists succeed in providing a cure for
A.when
B.before
C.since
D.until
A.when
B.before
C.since
D.until
A、aura
B、brigade
C、venture
D、campaign
A. Government to Citizen
B. Government to Customers
C. Government to Business
D. Government to Consumer
A. doesn’t used to B. doesn’t use to C. isn’t used to D. used not to
A B C
what are we going to do with oneself?
D
A It has a large gear and a smaller gear.
B It’s easy to use, but difficult to move.
C It’s quite cheap.
D It’s still being tested.
A weather
B temperature
C season
D climate
A. computers B. jobs C. activities D. systems
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