The past simple or the present perfect

What ____________(you/study) at university since your arrival?

Last night my roommate __________(have) some free time so we _______(go) out.

I ________(just/have) my lunch, but I ________(eat) nothing yesterday.

Who __________(write) the play "Hamlet"?

Shakespeare _________(write) 154 sonnets.

J.K.Rowling is a popular British write. She __________(write) books for children and adults.

How many games _________(your friends/win) so far this season?

I don't know Carol's husband. I _______(never/meet) him.

It ________(rain) much last week, but it ________(not+rain) this week yet.

How many letters have you written _____ Monday?

• since

• for

• last

• every