shenzhou VI ＿around the earth for 115 hours A has been flown B ha_英语解答

shenzhou VI ＿around the earth for 115 hours A has been flown B has been flying C flew 为什么选c

人气：272 ℃　时间：2020-05-24 09:58:59

解答

b的意思上到神六现在还在飞行.
此句是过去的时间.C不能看到for 就用完成时.要依照句子的本意来