I want to go back to my hometown this summer; ______, I am too busy with my schoolwork.
otherwise
moreover
therefore
however
I'm taking an online course to help me speak English ______.
more fluently
more soundly
more beautifully
Both of my sons are _______ making train models.
into
interested
keen
crazy
The subject that we ____ most is history. We have to memorize too many dates and events.
enjoy
prefer
fancy
detest
Can you speak _______? I can't hear anything now.
loud
loudly
louder
more loudly
You made a lot of mistakes in the test, so you should check your paper ________ next time.
more quickly
more carefully
more heavily
Jenny was very sad _____ she was the only one who failed the exam.
for
so
and
or
The harvest season started _________ than we expected.
faster
harder
earlier
On weekends, I prefer _________ away to staying in the city.
to going
go
going
to go
Teenagers should get enough sleep every night; _______, they cannot focus on lessons at school.
otherwise
therefore
although
however
I'm not really ______ of listening to music. I think it's a waste of time.
interested
fond
crazy
keen
Some teenagers often eat fast food, _____ they are overweight.
and
so
for
but