Tom is so independent that he never asks his parents' opinion _________ he wants their support.
since
once
unless
after
()It’s quite hot today. Do you feel like _________ for a swim?
we are making bigger holes in the nets ,________to avoid catching fish that are not fully grown.
Some villagers reported a huge snake, _______ over two metres long, was found dead in a nearby cave.
It’s standard practice for senior 3 students like us ________ only 3 day off during our National Day holiday.
The internet was flooded with a game called the Ice Bucket Challenge(冰桶挑战), ________ raise awareness for a disease called ALS.