Whoever leaves the room last must __________ that all the lights are turned off.
A.be sure | B.make sure |
C.find out | D.look out |
Playing QQ's "Happy Farm" by planting, watering, fertilizing, spraying, harvesting and selling of virtual vegetables, fruits and flowers, we can find out _____ all the excitement is about.
A.that | B.if | C.what | D.when |
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 |
Sustainable development is long-term ______which focuses on the environment and _____ natural resources.
A.plan; preserve | B.plan; preserving |
C.planning; preserving | D.planning ;preserve |
at the party, we saw Ruth standing alone in the corner of the hall.
A.Arriving | B.To arrive | C.Arrive | D.Arrived |
we will do is to leave a note to tell Mum we will be back late.
A.Whether | B.What | C.That | D.How |