Copernicusmaintainedthattheearth_____roundthesun.
A、moves
B、moved
C、moving
D、move
Hedidn‘tseemtomind_____themusicwhilehewasstudying.
A、themlistening
B、themtolistento
C、whenshereturned
D、thatdidshereturn
Thosepeople_____ageneralunderstandingofthepresentsituation.
A、lackof
B、arelackingof
C、lack
D、areinlack
Bothofmybrothersarenowmarried，soIhavetwo_____.
A、sister-ins-law
B、sisters-in-law
C、sisters-in-law
D、sister-in-law
Thereisn‘tmuchmilk_____isleftinthebottle.
A、what
B、which
C、whatever
D、that