【an】評論
Mrs. Wang wasn’t watching TV, but her children _____.Mrs. Wang沒有在看電視,但她的小孩有在看。前面用wasn't ,故知道後面時態要選過去式,(A)(D)先刪除。再看主詞children為child的複數,單數(C)可以再刪,故選(B)(A) are(B) were(C) was(D) is