He and she doesn't know the answer.
He and she don't know the answer.
What do your family members usually do at the weekend?
Carly and Jess is from Mexico.
Carly and Jess are from Mexico.
Translate:
Я приезжаю в Study On 3 раза в неделю. Обычно я приезжаю на машине. У меня замечательный преподаватель. Я думаю он/она очень хорошо говорят по-английски. Мне нравятся мои одноклассники. Они очень милые и интересные люди.
I come to Study On three times a week. I usually come here by car. I have an amazing teacher. I think he/she speaks English very well. I really like my classmates. They are very nice and interesting people.
Clarice doesn't works everyday.
Clarice doesn't work everyday.