In the following words，which underlined letter has a different sound from the others？（ ）
| A． |
fact |
B． |
attract |
C． |
alive |
It's reported the medals for the 2020 Olympic Games in Tokyo____from 100% recycled material．（ ）
A．are makingB．have made
C．is madeD．will be made
Through the stories behind the idioms，we would be able to fully____China′s culture，history and tradition．（ ）
A．understandB．searchC．compareD．imagine
While watching the film yesterday，I couldn't stop laughing at some ____moments．（ ）
A．humorousB．challenging
C．dangerousD．surprising
US scientist Edward T．Hall said that in a conversation between two people，65% of____is done through body language．（ ）
A．applicationB．pronunciation
C．introductionD．communication
According to the notice，guests at this hotel____use the sports center at no extra cost．（ ）
A．canB．shouldC．mustD．need