I don’t remember how many years ago _____ I was taken to Beijing for the first time.
The street ______ the traffic accident last night,
The professor was invited here to advise usEnglish study.
I failed in the final examination last term and only then _____ the importance of study.
If no one____ the phone at home, ring me at work.
Why don’t you ______ a club? That will make you stronger and help you achieve your goal more quickly.