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【題目】I should very much like to have gone to Susan's birthday party, but______.

【題目】The president of Harvard pioneered the elective system______ students were able to choose their own courses of study.

【題目】New regulations make it clear that to use children's information, network operators ______ obtain the children's guardians' permission in a clear manner

【題目】More attention on digital books reflects a rising trend in the industry towards ______ many are calling "digital first"

【題目】What are the speakers mainly talking about?

【題目】Nowadays the growth of food delivery apps in China ______ the country with takeout containers and plastic

【題目】What will the man probably do to stay warm?

【題目】______ some jokes into her speech, she grabbed the attention of the audience all the time.

【題目】What type of food does the woman eat?

【題目】The Amazon rainforest is considered the lungs of Earth, much of ______ located in Brazil