Question

Was he at work ______?

1. A.
   now
2. B.
   next week
3. C.
   yesterday
4. D.
   next Sunday

Answer 1

C
此題考查時(shí)態(tài)，因謂語(yǔ)動(dòng)詞是was，是系動(dòng)詞be的過(guò)去式，故時(shí)間狀語(yǔ)應(yīng)是過(guò)去時(shí)間，根據(jù)四個(gè)選項(xiàng)，可知只有C是過(guò)去時(shí)間故選C 。