问题
选择题
I was about to go to bed _____ someone knocked at the door.
A.when
B.then
C.at the time
D.and
答案
答案:A
考查固定搭配。be about to do sth. when sb. did sth.意为“正要做某事时,这时,有人......”。句意“我正要去睡觉时,这时有人敲门。”故选A。
I was about to go to bed _____ someone knocked at the door.
A.when
B.then
C.at the time
D.and
答案:A
考查固定搭配。be about to do sth. when sb. did sth.意为“正要做某事时,这时,有人......”。句意“我正要去睡觉时,这时有人敲门。”故选A。