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1. I would like _______ you and some of my other friends for dinner some time.
a) invite b) inviting c) to invite
2. The conference closed _______ discussing about a dozen reports.
a) by b) after c) before
3. Speaking _______ thinking is like shooting without aim.
a) without b) on c) by
4. As an English proverb says "It's no use _______ over spilt milk."
a) cry b) to cry c) crying
5. Peter, did you remember _______ the door? You are so absent-minded.
a) to lock b) locking c) lock
6. I am not at all sure if Arthur is really interested _______ the truth.
a) in learningb) to learn c) learn
7. How are my goldfish? I hope you didn't forget _______ them.
a) to feed b) feed c) feeding
8. Ben asked to excuse him _______ not being able to get in touch with me.
a) on b) while c) for
9. Lorna intended to help him _______ lending him some money.
a) on b) while c) through
10. Mind your manners! You should wash your hands _______ sitting down to dinner.
a) on b) while c) before
11. I know it's my fault. I'd like to beg your pardon _______ letting you down.
a) by b) for c) on
12. I believe I will still have an opportunity of _______ you to my school buddies.
a) introducing b) to introduce c) being introduced