In 1912, the Titanic s ________ on its maiden v ________.

his is an illness that may result in total blindness if_______.

A.being left untreated 　　　　　　　　 B.left untreated

C.not left trrating　　 　　　　　　　　 D.not having left untreated

----What a pleasant　　 these trees give us!

----Why not stop here and have a rest in it?

A、shade　　 B、shadow　 C、peace　　 D、scene

Every evening after dinner, if' not　　　　　 form work, I will spend some time walking my dog．

　 A．being tired　 　　　　　　　 B．siring　　　　 　　　　 C．tired　 　 D．to be tired

In a typhoon, winds _____ a speed greater than 120 kilometers per hour.

　 A. assume　 B. accomplish　 C. attain　 D. assemble

There is still a long way to go _____ the above questions could be answered.

A. once　　 B. when　　　　　 C. after　　　　 D. before

Sit down, Emma. You will only make yourself more tired, ________ on your feet.

　 A. to keep　　　 B. keeping　 C. having kept　　　　　 D. to have kept

The rescue work________three parts，of which saving the people’s lives is the most important one.　　　　　　　　　　　　　　　　　

A．makes up of B．consists of　　　 C．links to 　　　D．divides into

Most of us know we should cut down on fat, but knowing such things isn’t much help when it ________ shopping and eating.

A. refers to　　 B. speaks of　　　 　 C. focuses on　　　 D. comes to

When she opened the can(罐頭), it ______ a bad smell.

　 A. gave away　 B. gave in C. gave up D. gave out