【題目】有了"北斗", 中國就不必再依賴外國的定位系統(tǒng)了。

China no longer has to ________ ________ foreign positioning systems with Beidou.

【答案】depend on

【解析】

根據(jù)情態(tài)動詞has to可知填動詞原形;短語depend on:依賴,依靠,取決于。結(jié)合句意可知填(1depend (2)on。

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