СРООООООООЧНОWhen was little l could_________(climb) the trees.May l _________(open)the

СРООООООООЧНО
When was little l could_________(climb) the trees.
May l _________(open)the window?
My sister wanted________(travel)to the UK.
We mustn't________(drop)litter in the street.
If you have a toothache,you should________(go)to the dentist.
Pupils must_______(do)their homework.
Can you________(swim)well?
Complete the sentences.Use the full or bare infinitive.
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