A．extentB．foreignC．outsideD．guest

【C14】A．extentB．levelC．rangeD．measure

After 5 years’ study, he got his doctoral _____.A: extentB: levelC: degreeD: test

A decision of this______had to have national support.A．extentB．amountC．degreeD．magnitude

【C9】A．to some extentB．in additionC．on the contraryD．on the other hand

His words,______, are right.A．in a certain extentB．to a certain extentC．I wonderD．everyone

We covered a wide______of topics in the interview.A．extentB．collectionC．rangeD．content