Copernicusmaintainedthattheearth_____roundthesun.
A、moves
B、moved
C、moving
D、move
Two-thirdsofhisproperty_____lostinthefire.
A、was
B、were
C、are
D、havebeen
A、eitherRussiannor
B、neitherRussianor
C、noRussiannor
D、neitherRussiannor
“Itwasverycoldtesterday.”
“_____.”
A、Sowasit
B、Soitwas
C、Itsowas
D、Wasitso
A、forfearthathewillfail
B、forfearheshouldfail
C、lesthefails
D、forcasehewouldfail