1ShewaswatchingTVwhi的精選

問題詳情：用所給動詞的適當時態填空。1.ShewaswatchingTVwhilehermother________(wash)herclothes.2.Thespacemandidn’tknowthere_______(be)sevendaysinaweek.3.Wedon’tknowwhat__________(happen)sinceyesterday.4...