The companies are working together to create ______ they hope will be the best means of transport in the 21st century.
#79776
A
which
B
that
C
what
D
who
推荐题目
________ he found the idea interesting, it was too difficult to be of practical use.
#29985
A
While
B
Once
C
If
D
Until
They are talking _____ they had been friends for years, while in fact they have known each other for only two hours.
#30877
A
even though
B
as though
C
now that
D
until
______the Internet is of great help, I don’t think it’s a food idea to spend too much time on it.
#31677
A
If
B
While
C
Because
D
As
--- I wonder how much you charge for your service. --- The first two are free ______ the third costs $30.
#32246
A
while
B
until
C
when
D
before