A giant helium(氦) balloon is telling residents of Paris how good or bad the air quality is.When it's good, the balloon ----measuring 22 meters wide and 32 meters high---shines green._________, it's red.
A.Though terrible | B.Whenever good |
C.If worse | D.When bad |
I am sure that _______ you said is wrong.
A.which | B.what | C.this | D.how |
I had no idea when World War Ⅱ________,so I turned to my teacher for help.
A.broke down | B.broke out | C.broke in | D.broke away |
________,dear!Things won't be as bad as you think. There certainly will be chances for you.
A.Hurry up | B.Look up | C.Cheer up | D.Make up |
His parents died in the strong earthquake, and he was _____ by the old man.
A.grown up | B.taken up |
C.fed up | D.brought up |
Your ability has never been in doubt — the question is _______ you are prepared to work hard.
A.that | B.whether | C.if | D.how |