Jack is happy． Ms． Wang， an excellent teacher， teaches_____math this term．（ ）
A．heB．himC．himselfD．his
The documentary For the Sake of Peace（《为了和平》）bring the War to Resist US Aggression and Aid Korea （抗美援朝战争） on screen.（ ）
A．livingB．livelyC．aliveD．live
The old man，Bai Fangli，donated about￥350，000 to over 300 students he lived a simple life himself.（ ）
A．untilB．unlessC．becauseD．though
一Why do you choose to use Beidou Navigation （导航） Satellite System，Mr.Li？
一Because I think it has many advantages GPS （全球卫星定位系统）.（ ）
A．onB．inC．overD．of
—Sir，I have trouble doing the voluntary work for the 20th Games of Jiangsu Province in Taizhou.
一Don't worry.A lot of support soon.（ ）
A．is offeredB．will be offered
C．was offeredD．were offered
It's reported that， ，people with college education can make more money than those without.（ ）
A．in generalB．in publicC．in timeD．in all