сколько молекул содержится в 250 г водорода?

use the words in brackets to complete the sentences.The Present Perfect or the Past Simple

1. You (never/tell) me what (happen) to you when you (be) there?

2. He (already/tell) Bob my story?

3. Yesterday he (tell) me everything?

4. How many words....... you (learn) yesterday?

5. How many words....... you (learn) this morning?

6.How many words...... you (learn) today?

7.How many words .......you (already/learn)?

8.Something unusual (happen).

9.Something unusual (happen) last week.

10.What (happen) to him yesterday?