Tom was about to close the window ________ his attention was caught by a bird.
A.when
B.if
C.and
D.till
答案:A
考查固定搭配。be about to do sth. when...“正要做某事时,这时某事发生了”。句意“汤姆正要关窗户时,他的注意力被一只鸟吸引了。”故选A。
Tom was about to close the window ________ his attention was caught by a bird.
A.when
B.if
C.and
D.till
答案:A
考查固定搭配。be about to do sth. when...“正要做某事时,这时某事发生了”。句意“汤姆正要关窗户时,他的注意力被一只鸟吸引了。”故选A。