they had a good time_____ their school trip A on B in C at D

they had a good time_____ their school trip A on B in C at D dale had a good time ____the school trip.a:on b:at c:in d:of when is the school trip?------ May 1st A in B At C On D From we need help____our school trip.A、at B、in C、with D、for 选择 my brother is good( )math a in b on c at d to they all in At least,we had problems ___ hearing A.in B.at C.on D.with They are going to Hainan( )their vacation.A.on B.in C.for D. do they eat( )in the school?a well b nice c good d fine their birthdays are ____the same day.A AT B in C to D on when is the school trip?------ May 1st A.at B.It's C.Is D.In They always have a good time at their school. Then （ ） Tom had his eighteenth birthday A、in B、on C、at D、by