The birds can catch fish for food in the wetland=The birds _ _ _ catch fish for food in the wetland.It's rare for the child to tell a lie.=the child _ _ alie.The scientist was busy writing a book the whole year.=The scientist was busy writing a book _(_)_ _.
问题描述：
The birds can catch fish for food in the wetland
=The birds _ _ _ catch fish for food in the wetland.
It's rare for the child to tell a lie.=the child _ _ alie.
The scientist was busy writing a book the whole year.
=The scientist was busy writing a book _(_)_ _.
答
are able to
never
all through the year
答
are able to
rarely tell
all the year round