——You should ___ it carefully before ___ a composition,Tom.—

——You should ___ it carefully before ___ a composition,Tom.— 单项选择.1.You should ___ it carefully before ___ a composition. —___ you ___ the flowers ,Tom? When you write a composition,you should ___ an outline fitst ___!You should take this chance to attend it A. You should think carefully before you _b___anything. Can you describe ___ it happened?— Young man,you should wait ___ line.—— Sorry. Tom is ___ （严肃） than before Don't leave her ——(单独） When the chance ___ ___(到来),you should take it 英语:有一辆自行车.___ that?It's a ___.___ do you ___ it?___. ___ will you do the project before you stop?It's late A How