The Alibaba Group, _____was founded in 1999, has become China’s largest e-commerce company.
A. what B. which C. whose D. whether
A storm buried Illinois under several inches of snow on Tuesday,______at least 100 people dead in traffic accidents.
A. to leave B. leave C. left D. leaving
— Do you like the book you father bought you?
— Very much. It’s exactly______I wanted.
A. which B. that C. what D. how
Is this______first time you’ve flown on_______British Airways?
A. the;不填 B. the; a
C. a; the D. 不填；a
“Please remain______until the airplane comes to a complete stop.” said the stewardess.
A. seating B. seat C. seated D. to seat
—Why are you so busy these days?
— We_____trees. Why not join us？
A. have planted B. will plant
C. are planting D.planted
