11 Ms. Johnson was busy____ the house when the postman came.
(A)cleaning
(B)to clean
(C)clean
(D)cleaned
答案:登入後查看
統計: A(915), B(269), C(35), D(58), E(0) #240247
統計: A(915), B(269), C(35), D(58), E(0) #240247
詳解 (共 4 筆)
#1564494
過去進行式和when/while+過去式連用時,過去進行式的子句表示發生的時間較早。
所以這題的中譯是:當郵差來的時候,莊生先生正在打掃房子。
41
0
#1438340
Ms. Johnson was busy ______ the house when the postman came.
5
0
#5949111
busy後面省略介系詞in,因此接V-ing
2
0