Ответ:
1) The children are afraid of (c) mice.
2) I haven\’t done my homework (b) yet .
3) What are your plans? When (a) are you going to visit London?
4) I usually visit my friends three times (a) a month.
5) Do you want to do the shopping with me? OK. I (b) shall meet you at the bus stop.
6) Mary (b) had a lot of dolls when she was a baby.
7) Mary (c) has had this doll for two years.
8) They won\’t invite us (c) either.
9) (b)There is a big cat in your garden.
10) Have you seen (b) their house?