I’d like to travel by air _________ it usually costs a lot of money.
#45984
A
so
B
though
C
until
D
or
推荐题目
I’m sorry I’m late again________ heavy rain.
#46616
A
as
B
so
C
because
D
because of
St Peter’s Church is _____ the museum.
#48072
A
over
B
opposite
C
across
D
in
_________ her mother, she became a famous scientist. 
#46404
A
With the help
B
Thanks for
C
Thanks to
D
As a result