This  　　to be an expensive mistake.

A.was proved　　　　　　　　　　　　B.proved

C.has been proved　　　　　　　　　D.proved as

It was　　  games that cost the boy a lot of time that should have been spent on study.

A.playing　　　　　　　　　　　　　　B.played

C.to have played　　　　　　　　　　　D.having played

The young man had no     for hard work.

A.appetite        B.taste        C.desire       D.enjoyment

She claimed 500 dollars　　　  him　　  injuries suffered.

A.for;of　　　　　　B.from;of　　　　 C.from;for　　　D.for;from

During World War II Malta managed to _____ most of Italian and German bombers by throwing up an effective anti-aircraft screen.

A. put out  B. shut out  C. come across D. get across

They decided to leave the waiter a big _____ because the food and service had been excellent.

   A. note    B. reward    C. tip    D. gift

His father was pleased ___ his mark in the final exam.

A. at   B. with   C. to     D. for

It would be _____ a risk to let the child go to school by himself.

A. following  B. passing  C. running    D. carrying

The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.

A. likely    B. capable    C. possible    D. probable

No one imagined that the apparently _____ businessman was really a criminal.

A. respectful B. respectable C. respective  D. respected