1.SomeboysthinkthatNikebasketballshoes,thoughstill_____
must-haveitemforsomestudents,arebecomingoutof_____date.
A.a;不填B.a;theC.不填;theD.the;a
2.Ifthetesttakerfindsanitemtowhichananswerisnotknown,itmaybe_____toleaveitblankandgoonwiththetest.
A.valuableB.advisableC.considerableD.probable
3.Scientistsareracing_____timeinordertofindacureforbirdfluassoonaspossible.
A.alongwithB.aroundC.againstD.aheadof
请附带解说,
邮箱:联系方式: