每空一詞下課后你們一定要收拾干凈教室.You must ______ ______ your classroom after class.

熱心網(wǎng)友

clean upYou must clean up your classroom after class.

熱心網(wǎng)友

taotao 錯了，clean downv.刷干凈的意思本題應(yīng)是 clean upv.打掃干凈, 整理, 賺錢, 獲利

熱心網(wǎng)友

CLEAN UP

熱心網(wǎng)友

be clean我覺得，不保證對．

熱心網(wǎng)友

clean down

熱心網(wǎng)友

我也填clean up打掃干凈。

熱心網(wǎng)友

clean up

熱心網(wǎng)友

clean up