—Do you like history?—Yes. I think it’s _________. I can know much from it.
--- Do you want to eat here?--- No. Just fish and chips to take away, please.
___________ he was poor, __________ he donated money to help the people in need.
A new underground ________ Wuxi ________ Shanghai will be built soon.
Can you imagine __________ on the earth in the future?
Teenagers would rather ________ phone calls while businessmen prefer ________ emails to communicate with each other.