—I called you at 9 last night,but no one answered.—Sorry,..
—I called you at 9 last night,but no one answered.—Sorry,I ________ sleeping.I went to bed very early. A.need have beenB.would have beenC.must have beenD.should have been
(2013·合肥第二次质检)Martin hasn't been in touch with me fo..
(2013·合肥第二次质检)Martin hasn't been in touch with me for ages. He ________ my new cellphone number.A.needn't get B.mustn't getC.can't get D.shouldn't have got