来自常天庆的问题
thefirstyeartheygotothek_____.thentheyb_____tostudyintheprimaryschool.
thefirstyeartheygotothek_____.thentheyb_____tostudyintheprimaryschool.


thefirstyeartheygotothek_____.thentheyb_____tostudyintheprimaryschool.
thefirstyeartheygotothek_____.thentheyb_____tostudyintheprimaryschool.
thefirstyeartheygotothe_kindergarten____.thenthey_begin____tostudyintheprimaryschool.
希望能够帮上你!