Explain the following sentence. Every expression that has meaning has sense, but not every expression has reference.

Do the certificate in a summer course give credits? if so, how many credits? and also, could you tell me which are the summer course and schools you know that give credits?

Which detail from the diary of a young girl supports the idea that anne’s voice is optimistic? “at three o'clock . . the doorbell rang. i didn't hear it, since i was out on the balcony, lazily reading in the sun.” “so much has happened it's as if the whole world had suddenly turned upside down.” “the first thing i stuck in was this diary, and then curlers, handkerchiefs, schoolbooks, a comb and some old letters.” “it may be damp and lopsided, but there's probably not a more comfortable hiding place in all of amsterdam.”

What is the direct object in the sentence yes, they will enjoy it very much