If his brother a millionaire（百万富翁）, he'd buy her sister the expensive car.
A. was B. were C. is D. be
What do you think is the best way to the pollution problem?
A. deal with B. work out C. show off D. come out
Do you know who to take part in the competition?
A. chooses B. has chosen C. chose D. was chosen
—Did your sisters go to the concert last night?
—No, we went to my aunt's birthday party.
A. both B. all C. either D. none
—David, someone called you last night.
—Oh, who was ?
A. she B. it C. he D. that
We all think Bill is taller of the two.
A. / B. the C. a D. an
