SinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.

• A.hewanted
• B.hewanting
• C.himtowant
• D.hiswanting

Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).

• A.play
• B.playing
• C.toplay
• D.toplaying

Theassociationis________toraisingfundstohelptheblind.

• A.conducted
• B.committed
• C.concentrated
• D.concerned

________,Johnhasbeentoseveralforeigncountries.

• A.Evenheisyoung
• B.Youngthoughheis
• C.Inspiteofheisyoung
• D.Youngisashe

Theoppositionleaders________thegovernmentfornottakingactionsooner.

• A.warned
• B.criticized
• C.threatened
• D.urged

Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.

• A.seemed
• B.likely
• C.tended
• D.possible