1.----Only if you tell us the problem -------- you.

1.----Only if you tell us the problem ________ you.-------I would rather not say.A.help we B.we help C.will we help D.we will help2.Doctors are often in ________ dilemma over whether or not to tell their patients ________ truth about their condition.A.a;a B.a;the C.不填;a D.不填;the3.We had one or two cases today ________ people returned our products.A.which B.where C.that D.what4.The milk must be preserved at this temperature until it ________.A.will process B.is processed C.has processed D.had been processed5.You throw food away;________,many children are starving all over the world.A.besides B.therefore C.otherwise D.meanwhile6.Mary left the letter on the table deliberately ________ you'd see it when you came back.A.so that B.once C.now that D.unless7._______ their skills,the nursing staff will be sent to Beijing on training coures next week.A.Updated B.Updating C.To update D.Update8.The manager stood there and demanded that everyone ________ to him carefully.A.listen B.Would listen C.listened Dwas listening9.They said that the building of the new bridge would go ahead ________.A.as they plan B.as are planned C.as planning D.as planned10.---You look so tired.That must have been a long trip.-------Yeah,it ________ us a whole week to get there.A.takes B.has taken C.took D.was taking