________ recent report stated that the number of Spanish speakers in the U.S.would be higher than the number of English speakers by ________ year 2090.
What seems to be a simple idea always turns out _____ that is hard to put into practice.
We regret _____ you that.because of the necessary repair, our library will be closed next month.
To my great joy.I got a chance to take a photo with Andy after the vocal concert, which I _____forward to for years.
Li Ming, don't forget to turn off the lights before you leave the office, _____?
_____ is well known to the world is that China has very top technology in space industry.