Помогите решить тест

1.James … that he … in hospital for a month.
A. had explained, was B. explained, being
C. explained, had been
D. had explained, had been
2.During the Early Middle Ages, the monasteries of the Catholic Church were the centres of education and literacy, …
A. wasn’t it?
B. were they?
C. weren’t they?
D. was it?
3. If you … hard you … the exam.
A. study, won’t pass
B. don’t study, won’t pass
C. won’t study, won’t pass
D. won’t study, pass
4. If you … children you … a good teacher.
A. don’t love, will be
B. will love, shall be
C. don’t love, will never be
D. are lovingt, will be
5. Let’s go to school, … ?
A. shall we
B. will we
C. shan’t we
D. don’t we