Table tennis is()popular sport in this country.
A.more
B.the most
C.the best
A.more
B.the most
C.the best
第1题
A.since
B.though
C.if
D.so
第2题
A.Do you like tennis?
B.Playing pingpong is fun
C.Do you like it?
D.which sports do you like best?
第3题
(1)一堂数学课和一堂经济学课;
(2)网球和网球拍;
(3)牛排和龙虾;
(4)目的地相同的飞机旅行和火车旅行;
(5)熏肉和鸡蛋。
Which of the following combinations of goods are complements and which are substitutes? Could they be either in different circumstances? Discuss.
a. a mathematics class and an economics class
b. tennis balls and a tennis racket
c. : steak and lobster
d. a plane trip and a train trip to the same destination
e. ; bacon and eggs