问题
Tom was about to close the windows ______ his attention was caught by a bird.
A:if
B:when
C:and
D:till;
B:when
C:and
D:till;
正确答案是：
同类题型
I suppose everyone will be interested in these after-school activities, ________
He has been working hard for 6 days,________a lack of concentration in the meeting.[ ]
The news ________ we are having a holiday tomorrow is not true.[ ]
Internet is a useful tool in our daily life, but it shouldn’t take the place of our ____ life. [ ]