__________ she couldn't understand was__________ fewer and fewer students showed interest in her lessons.A.What; whyB.That ; whatC.What ; becauseD.What;which
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We haven't settled the question of ______________ it is nec..
We haven't settled the question of ______________ it is necessary for him to study abroad. A.ifB.whereC.whetherD.that
David can speak idiomatic American English and yet, _____ En..
David can speak idiomatic American English and yet, _____ English, he doesn't know it at all. A.how to teachB.when it comes to teaching C.when he teachesD.however he teaches