—Do you know Mount Wudang in Shiyan?
—Yes,I _________ it twice.It's fantastic.( )
A.had climbedB.climb
C.climbedD.have climbed
____________________?
I need some music CDs.( )
What's wrong
Can I help you
How much are the CDs
Are you all right
Hi, Alice. I wonder ___________.
I often go swimming in the sports center.( )
where you skate
what you do on the weekend
when you exercise
whether you enjoy your weekend
Intelligent house furnishings(智能家居) are __________ used in people's homes these days.( )
widely
luckily
softly
loudly
She didn't leave the school __________ she worked out this problem.( )
as long as
until
since
while
Su Bingtian is the winner of the IAAF World Indoor Tour(国际田联室内巡回赛)
___________________. He is a talented runner.( )
Without doubt
Once in a while
For example
All of a sudden