28．If you found a pencil case ，it may be(可能是) _________．

A． Mike's

B． Lisa’s

C． Tom’s

D． John's

[单选题]7．— ________ ．is your pencil case?—It’s blue and white．A． HowB． What colorC．WhatD． When

[单选题]You may meet Americans who know very little about your country. If this （1

[单选题]You may meet Americans who know very little about your country. If this （1

[单选题]You may meet Americans who know very little about your country. If this （1

[单选题]You may meet Americans who know very little about your country. If this （1

[单选题]You may meet Americans who know very little about your country. If this （1

[主观题]Was there a course you found particularly challenging？

[单选题]If you are ______something, you may say, "It's cool".A． afraid ofB． angry aboutC． interested inD． unhappy with

[单选题]You may use the room as you like ___ you clean it up afterwards.A． so far as B. so long asC. in caseD. even if

[单选题]_____you may have, you should gather your courage to face the challenge.A． However a serious problemB． What a serious problemC． However serious a problemD． What serious a problem