Помогите.Раскройте скобки ,употребив глагол в форме герундия или инфинитива:
1.We can't afford(miss)this opportunity.
2.He failed (comprehend)the seriousness of the problem.
3.If we don't make up our mind rather quickly,we risk (lose)the whole contract.
4.We quarantee(deliver)the goods by the end of December.
5.May I suggest (postpone)the meeting untill next week?
6.The politician has been under a cloud over the possibility of (take)bribes.
7.He got to the top in business by his own efforts in spite of(have)little education and training.
8.The new product line is doing really well.I think we should go on (sell)it for another six months at least.
9.The Chairman is skillful at (advoid)(answer)awkward questions.
10.We like (contact)our potential customers to check their reactions to the advertising campaign.