問題詳情

20. Donating books ______ easy for everyone with the QR code.
(A) is
(B) are
(C) to be
(D) were

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增

用户評論

老P】評論

Donating books ______ easy for everyone with the QR code.主詞是單數用is