By now 516 Confucius Institutes ______in 142 countries and regions, according to the Confucius Institute Headquarters.
A. founded B. would found
C. have been founded D. had been founded
------Mom, is Dad coming to pick us up?
------Yes, I am sure he _________ on the platform when we pull into the station.
A. stands B. stood
C. has stood D. will be standing
_________an opposing idea effectively, you can use the following words and phrases.
A. To express B. Expressing
C. Expressed D. Being expressed
The new theme park, _________ last year, has received 27 million visitors so far.
A. open B. opened
C. being opened D. to open
Dogs have a far wider hearing range than humans, _________ them able to detect sounds far above a human's hearing limit.
A. making B. made
C. having made D. to be made
A new engineer was appointed to deal with the products _________ by customers.
A. returning B. returned
C. to return D. return
