1、题目70:--What＇s the matter with Tom?He has been absent for two days. --Oh!He () be ill.Let＇s go and ask Ms Brown.

A. 　crazy

B. 　lonely

C. 　hungry

D. 　sleepy

A. 　{x|-1<x<3}

B. 　{x|x>3或x<-1}

C. 　{x|-3<x<1}

D. 　{x|x>1或x<-3}

A. 　Luckily

B. 　Suddenly

C. 　Politely

D. 　Recently

A. 3

B. 4

C. 5

D. 6

A. 　Where

B. 　When

C. 　Why

D. 　How

A. 　oldest;older

B. 　the oldest;older

C. 　the oldest;elder

D. 　the older;elder

A. 　without

B. 　under

C. 　with

D. 　for

A. 　clean

B. 　cleaned

C. 　have cleaned

D. 　am cleaning

A. 　your;their

B. 　your;them

C. 　yours;theirs

D. 　you;them

A. 　in trouble

B. 　in style

C. 　in order

D. 　/