--- Why does he look so tired these days?--- He has to work hard_______ the coming test.
______he isn’t tall,_______ he is strong.
Is there _______ wrong with you today?
Tina gets up late, so she _____ go to school by taxi.
This problem______ that one.
Health is important to us. We should have more vegetables and fruit and we shouldn’t eat _____ junk food.