Two-thirdsofhisproperty_____lostinthefire.
A、wasA
以分数限定的名词做主语时，谓语的单复数应同该名词保持一致，而不管分数 是单数还是复数。此句中 property(财产)是单数不可数名词，故用单数形式的动词。
Copernicusmaintainedthattheearth_____roundthesun.
Itseemsasifthesun_____roundtheearthsinceitrisesintheeastandsetsinthewest.
Mywalletisnowheretobefound.I_____itwhenIwasonthebus.
Childrenwhoareover-protectedbytheirparentsmaybecome_____.
I‘vebeentellingyou_____nottodothat，butyounevelistenedtome.That’swhyyougotintotrouble.
