, we lack practice and experience nowadays in dealing with the complicated economic situation.
---If you to my birthday party last Saturday, you would have met Jim. ---I was not in Beijing then, otherwise I to your party.
---Don’t forget to take your cell phone. ---But it’s just been announced that no students__________bring cell phones to school.
Apart from knowledge, a good personality is__________every child should try to obtain during his or her growth.
---Did you call the airline to __________your flight booking? ---Yes, I did.
No important progress was made in UN Climate Conference in Copenhagen as__________of the rich countries agreed to offer large amounts of money to fight global warming.