用work短语填空1 We'll have to work( ) how much food we'll need for the party2 He has no partner to work( )3 He woeked very hard( ) his English,but it didn't improve much4 They're working( ) a new book5 He's been( ）（ )work for half a year.各位大哥大姐

1.out
2.with
3.at
4.over
5.out of

out
with
at/on
through
out of

1 We'll have to work(out) how much food we'll need for the party
2 He has no partner to work(with) .
3 He worked very hard(at) his English,but it didn't improve much
4 They're working(over) a new book
5 He's been(out）（of)work for half a year.