【題目】In February, Chinese tech company Huawei____Mate Xafoldable(可折疊的)5G mobile phone.

A. is introducingB. introducedC. introducesD. was introduced

【答案】B

【解析】

句意2月,中國科技公司華為介紹了Mate X,一款可折疊的5G手機(jī)。A.現(xiàn)在進(jìn)行時;B.一般過去時;C.一般現(xiàn)在時;D.一般過去時的被動語態(tài)。根據(jù)In February可知,用過去時,排除AC;且主語Chinese tech company Huawei與謂語introduce之間為主動,故選B。

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