22-23高一上·全国·课后作业
1 . As many as ten million children will have been____________ (infect) with the virus by the end of the decade. (所给词的适当形式填空)
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2 . They are trying to make sure that 5G terminals will have________ (install) by 2022 for the Beijing Winter Olympics. (所给词的适当形式填空)
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