根据首字母或句意填写单词

根据首字母或句意填写单词
Life is short,but a______is long
l didn't catch the first bus this morning.l m____it
改错
Let's do some shopping on Saturday,will we.________
Be quickly,there is no time left _______
Sandwiches is every convienient to eat_______
The students are study hard at their lessons_____
"Smiles'' is a longest word in the world________