All the________indicates that he has been deeply involved in the crime.
When he was there, he ____ go to that coffee shop at he street corner after work every day.
—How about paying a visit to Mr. Richardson, our former history teacher?—Good idea. I will e-mail him today so he ___ know ___ to expect us.
____ at a college or university in the USA, Chinese and other international students must demonstrate a strong ability in spoken and written English.
With a lot of difficult problems ____, the manager felt worried all the time.
As we all know, it was _____ that resulted in the terrible car accident.