2019年mpacc考试英语真题——连词986

{01}Your sister has grown up. She is no longer __ she   five years ago when I first saw her.

A.what

B.who

C.whom

D.which

解析：略
本选A。
{02}She had hardly got back to the kitchen ________ the doorbell rang.

A.when

B.than

C.as

D.as soon as

解析：“她刚回到厨房门铃就响了。”hardly  when 固定句型“刚...就”答案A。
本题选A。
{03}It still puzzles today’s scientists ______ some mammals produce their young ______ others lay eggs to produce their offspring( 后代)

A.that; while

B.why; while

C.how; when

D.what; as

解析：略
本题选B。