Choose the correct item.
1) My friend is very good ________ English.
a) at b) in c) with
2) How many lessons _____ your sister have yesterday?
a) does b) will c) did
3) My Dad _______ play chess very well.
a) can b) may c) must
4) _________ I come in? Im sorry. Im late.
a) Should b) Must c) May
5) She _______ get up early today. It s Sunday.
a) hasnt to b) doesnt have to c) doesnt have

Согласна можно по-разному "at" или "in".

1) Известный пример некорректного задания. И "in", и "at" допустимы в этом случае. В учебниках предлают говорить "at", поэтому отвечайте а2) с3) а4) с5) b