【单选题】Today ______ have TV sets in big cities.
【单选题】It was so dark outside that he didn't ______.
A.
dare to go out to fetch some water
C.
dare go out to bring some water
D.
to dare fetch some water
【单选题】消费者依据( )要求经营者提供的商品和服务符合保障人身、财产安全的要求。
【单选题】________ our surprise, the twin sisters went to Peking University at the same time last year.
【判断题】网络直播分两类:网络互动直播和网络现场直播。
【简答题】程序中变量的存储类型包括:( )、( )、( )和( )。
【单选题】—Did your sisters go to the concert last night? —No, we went to my aunt's birthday party.