This is (a) nice T-shirt.(The) T-shirt is on sale.
This is (an) "s" ,(a) "u" and (a) "b" in the word bus
what does she eat for (/)breakfast.
We have ()computer well句子有语病,well说不通,如果是副词的话,那前面应该是上电脑课,则空上什么都不填,就算这样,也跟后面半句没什么转折关系啊,检查一下
but she can't play (/) soccer ball
He always runs in (the) moming