I'm ________ sure ________ computers can work in our heads well.

题型：单选题题类：常考题难易度：普通

仁爱科普版八年级上Unit4 Our world Topic 3 The Internet makes the world smaller.同步练习

A、/; whether B、not; that C、not; if D、quite; whether

举一反三

Please tell me {#blank#}1{#/blank#} you {#blank#}2{#/blank#} watered the flowers.

—Yes. There is one on Center Street.

I am not sure {#blank#}1{#/blank#} her aunt {#blank#}2{#/blank#} in Canada.

—Certainly, and the earlier, the cheaper.

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