为什么只能用that?He think it is our education system instead of English learning_______makes students as busy as bees.

为什么只能用that?He think it is our education system instead of English learning_______makes students as busy as bees. This is the reason that he gave to me.w为什么只能用that He talked about the teachers and schools ________ he had visited.A.that B .which为什么只能用that . I never heard such news as he told为什么只能用as不能用that或which? I never heard such news as he told为什么只能用as不能用that或which He can't help us do it ,I think(改为含宾语从句的复合句)I don't think he can heip us do it为什么don't think 能用而think that不能用?除了think这样的单词以外还有那些单词在复合句中有否定意思的要提前? the thought of going back home was ______kept him happy while he was working aboard 这里为什么不能用WHAT 只能用THAT The artist callef it the best painting ( ) heThe artist callef it the best painting ( ) he had ever done.这里为什么只能用that不能用which 为什么不能用Where is he going to?而只能用Where is he going? Do you think that hard to speak English like a native speaker?为什么不能用that 为什么有的宾语从句引导词只能用that I Think That He Is A Boy 为什么 Think 不用动词过去式? I think it's a good idea.回答为什么不能用I think so 只能用I don't think so They always let me do _____l think l should.为什么不能用that 必须用what It is not until ---did he---有这句子吗 是不是只能用that 为什么只能用whether 1.Don't take his remarks so seriously.He is so upset that I don't think he really knows what____A he said B.he'd said c.he's saying d.he says但是为什么不能用D?2.Roman Empire _______ for centuries.A.has existed B.existed C.had existed D.was ex he built a telescope through which he could study the skies.为什么不能用that?