The sky is much bluer ________ we have taken action to protect the environment.( )
because
before
until
unless
Joey and Marina have lived a happy life since they _________.
got hurt
got lost
got married
- Is this dictionary _________?
-No, it isn't. I left my dictionary at home.
your
yours
yourself
Eric often _________his aunt before he moved to the city.
has visited
visits
visited
Frank and his friends had great fun _________volleyball on the beach yesterday.
play
playing
to play
Although it is raining _________, the policemen are still on duty in the street.
clearly
directly
heavily