The children have been waiting for half an hour and they are getting________.
A. unpopular B. comfortable
C. impatient D. careless
I don't know how to write the report so I will go to Mr Brown's office to________ advice.
A. ask for B. hope for
C. think of D. find out
—Oh，Mum，I simply like my new bike.
—Look after it________ it will last long.
A. since B. even though
C. because D. so that
I can't believe it! ________ a little boy knows________ much about space.
A. So；such B. Such；so
C. Such；such D. So；so
Our country has a problem with its air pollution.________must be done!
A. Everything B. Something
C. Anything D. Nothing
Everyone in our family cares about the environment and we________ trees every year.
A. plant B. planted
C. are planting D. have planted
