Для знатоков английского языка.Ребята,помогите с тестами.1. Playing ... guitar is an

Для знатоков британского языка.
Ребята,помогите с тестами.
1. Playing ... guitar is an interesting hobby.
a) - b) a c) the d) mine
2. I thought I ... this film before, but I hadn't.
a) saw b) seen c) had seen d) have seen
3. Why haven't you brought me the letters for signature? ... them yet?
a) Don't you type b) Didn't you type c) Haven't you typed d) Will you type
4. She wasn't sure whether she ... the door of her flat.
a) locked b) has locked c) had locked d) didn't lock
5. You are very good ... dealing with people.
a) in b) at c) on d) about
6. The inspector suspected that the thief ... a special key for opening this door.
a) uses b) has used c) had used d) will use
7. I was very tired. When I ... to bed, I fell asleep immediately.
a) got b) has got c) had got d) will get
8. The Vikings ... to North America a thousand years ago.
a) sail b) sailed c) had sailed d) have sailed
9. Thank you for your offer, but I ... not to accept it.
a) decide b) has decided c) have decided d) decided
10. You ... through your old photograph album for half an hour already.
a) look b) are looking c) have looked d) have been looking