________somanypeopleintheUnitedStatesbeenoutofworkastoday.
A、Morethaneverbefore
B、Inthepast,therehavenever
C、Neverbeforehave
D、Formerly,thereneverwere
Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
A、turnto
B、passthrough
C、shutin
D、writeup
Theenginehasbrokenandtheboatis______onthewater.
A、flowing
B、floating
C、drifting
D、sailing
Theboyranoutoftheclassroomwithouttheteacher's_______.
A、command
B、conviction
C、consent
D、compromise
Becareful,_______you'llfalldown.
A、onthecontrary
B、orrather
C、orelse
D、asfor