When he _____(come) to China two years ago he found people didn't understand him at all though he ________(learn) some Chinese in his own country.came had learned 为什么这样填?

He will come here when he _____(be) free. he said he _____(help) me with my engllish when he ______(come) back Please tell him to come to my office when he _____(come)back. I want to know _____ he will come tomorrow为什么是 if 而不是 when I_____(not watch) TV when he _____(come) to see me last night I _____ him to come to see me when he hs time. when he can come还是when can he come When he will come back 同义句转换What you said made her angry/_____ _____ what you said _______ made her angry.It happened that I was reading upstairs when he come in.I _____ _____ ______ reading upstairs when he come in. Please let me know about it _____.A when he will come B whether he will come C when he comes D whether he comeswhen he comes 为什么不能用whether 为什么when 后不能用将来时 It hasn't been settled when _____.A.he will come B.boes he come C.will he come D.he comes为什么是 A 不是别的选项呢 我选的D.结果错了 I have no idea _____ he will come there.When he comes,I will let you know.此次填什么,是when吗? when （） he come home tomorrow When will he come to see you? when did he come home 对么 when _ he _ back.(come) 求一道时态题目：Mr. Brown hasn't come yet. When he ___(come), we _____(begin) the meeting.越快越好,分分钟解决~~ The scientist _____ Canada and he will give us a talk when he _____ back.A.has gone to/comes B.has been to/will come C.has gone to/will come D.has been to/comes