ever since she came to china,为什么came不用第三人称单数形式呢?

ever since she came to china,为什么came不用第三人称单数形式呢? she English in our school ever since ever since she hereA.has taught ,come B.taught,came C.has taught,has come D.teaches,has come按照主语（现在完成时)+since +从句（一般过去时）好像没有正确答案啊 she's ____(live)here ever since she was ten She's ___(live ) here ever since she was ten. she is __________(live)here ever since she has tea ever since可以直接等于since吗We have lived in Shanghai ever since we came to China .（可以把every since换成since吗） ever since It made Sarah think about her family and friends back in the US.She came to realize how much she actually missed all of them.Ever since then,she has been a fan of American country music.这一句怎么翻译 ever since,ever after I _____(konw) her since she came here. 39.She has slept on the bench ____ she came here this morning .A as well B rether than C even though D ever since 请翻译句子和选项并加以说明原因 it is three years since she came to Nanjing(改为同义句) ---- ----- ---- ---- since she came to 南京 Mr Wilson ________ to America 20 years ago and has been here ________A has gone;since then B went;since ever C has gone;ever since D came;ever since 一句现在完成时的句子,求对划线部分提问She has learned 1000 English words since she came.划线部分为 since she came. she has remembered 1400 english words since she came to our school She said that she__(make)much progress since she came here. how many days () she ()(stay) at home since she came back from school She kas been to Beijing_______(two) since she came to China.括号里填什么