Question

【题目】Eddie was sleeping Mille was reading a magazine.
A.until
B.while
C.before
D.after

Answer 1

【答案】B
【解析】句意：当米莉在看杂志的时候艾迪在睡觉。while表示动词正在进行。until直到；before在……之前；after在……之后。本句前后都是进行时态，故选B。