My father will attend the parents 'meeting_________ he is busy.( )
if
unless
since
when
If steel is heavier than water, why are ships able to on the sea?( )
A.floatB.flyC.fallD.flow
You look the same now as you looked ten years ago. You've changed.( )
A.completelyB.hardlyC.greatlyD.already
Mother had a hard time getting Helen up in the morning. She called and called, but Helen wake up.( )
A.wouldn'tB.mustn'tC.needn'tD.shouldn't
It's lucky we booked a room; otherwise we'll have to stay now.( )
A.somewhereB.anywhereC.nowhereD.everywhere
We're not very close friends we've known each other for a long time.( )
A.untilB.althoughC.asD.if