17.Becauseheisill,sohecan'tgotoschool.(誤)
Heisill,sohecan'tgotoschool.(正)
Hecan'tgotoschoolbecauseheisill.(正)
18.Althoughheisold,butheisstillingoodhealth.(誤)
Althoughheisold,(yet)heisstillingoodhealth.(正)
Heisold,butheisstillingoodhealth.(正)
19.Infact,Ididn'tunderstandthequestion___________wasaskedinFrench.
A.whoB.whoseC.whichD.what
20.All_______weneedisfreshwater.
A.thatB.whatC.whichD.who