问题补充:
单选题Thedoctortelephonedtosaythathecouldn’t____themeetingbecausehehadto___apatient.A.came to; attend toB.attend; attendC.join; treatD.attend on; look after
答案:
B解析参加会议常用attend/ be present at the meeting,照看病人用attend(on)a patient/ look after a patient。