【正文】
What was your mother doing when you came back? 當(dāng)你回來時(shí),你媽媽在做什么? 單元語法聚焦五 (2)while可以連接兩個(gè)進(jìn)行時(shí)態(tài)的句子,而 when 不可以。 (3)when 是特殊疑問詞,可以對時(shí)間進(jìn)行提問,但 while 不可以對時(shí)間提問。臨沂 They ______ about a edy this time yesterday. A. were talking B. are talking C. have talked D. will talk ( )樂山 — Did you watch the basketball match on TV last night? — I wanted to, but my father________ his favorite TV program. A. watched B. was watching C. watches ( )武威 She _____ an English magazine when I came in. A. reads B. has read C. will read D. was