Secti o n ADirect i ons: Ther e are 1 0 in com pl e t e st a te m en t s he re. Yo u are r e qu ire d to c o m p lete eac h st a tement by c h oo si ng t h e app r opri at e a nsw er fr o m t he 4 ch oices m a r k e d A) , B) , C) and D) . You should ma rk the c o r re spo n din g letter on th e Ans we r S hee t w i t h a single li n e t hr o ug h th e cent e r.16. The c la s sroom ne eds______. A) cle a n B) to c le an C) t o b e c leaned D) b e i n g clean ed17.T h ere is a nice-lo oking c a r th e re. I wo nd er ______. A) w ho m it belo n g s t o B) w hom d oe s i t b elong to C) i t belon gs to w h o m D) w hom do e s it be l ong18. Wo r d sworth w as o n e o f th e g r ea t e st p o et s ______ li v ed in the 19th ce ntu r y. A) which B) wh o C) those D) that 19. the popu l at ion i s too large, we have t o ta k e measu r es to c o n trol t h e birt h rate. A) Alth o ugh B) Si n ce C) I f D) Until20. I t i s r equeste d that every st ude n t ______ a p a pe r o n sust a ina b le d e velo pme n t. A) writes B) w r ot e C) wri ti ng D) writ e21 .H e s a i d, "I ______ a lot o f new p oe ms by the end o f last y e ar." A) h ad a l ready l earnt B) have a lr e ady l e a rn t C) w ou ld ha v e alread y l ea rn t D) alrea d y learn t22. A s E dison g rew ______, he b ecame more and more interes t ed in s cience. A) eld ...