单选题
- How long is this cell phone guaranteed?
- ________
No problem.
You can refund it in 7 days and exchange it in one year.
Don’t mention it.
单选题
Going" green " ________ have to be a challenge.
don't
doesn't
is
单选题
The ________ question is much more different than this one.
six
sixth
sixteen
单选题
Mary can't help ________when she saw her parents.
crying
to cry
cry
单选题
The law requires that everyone _______ his car checked at least once a year.
has
had
have
单选题
Denmark recognized the ________ of wind energy early.
possibility
potential
power
单选题
The store will ________ 5% for cash payment.
discourse
discourage
discount
单选题
A ________ designer is needed.
full -time
filling time
full timing
单选题
What I should do is ________ the task soon.
to finish
finished
be finished
单选题
I'll never forget the days ________ I worked together with you.
that
when
which