Use simple past or present perfect the poilce two people early this morning (to arrest)?

Exercise 1: Simple past or Present Perfect:

1)I ...did... my Maths homework yesterday.(to do)

2).....did....Susan..go..to England by plane?(to go)

3)They...visited...a farm two weeks ago.(to visit)

4)Jerry and Peggy.....didn't help...their brother.(not/to help)

5)The children ..weren't...... home last weekend.(not/to be)

6)When ...did....you..design....this wonderful skirt?(to design)

7)My mother...didn't crash.......into the van.(not/to crash)

8)The boys...took off......the mudguards off their bicycle.(to take off)

9)....did....you..phone....your aunt last week?(to phone)

10)He........didn't drink.....milk at school.(not/to drink)

11)The poilce........arrested....two people early this morning.(to arrest)

12)She........has gone......to Japan but now she ........is coming.....back.(to go - to come)

13)Dan.......has already bought.....two tablets this year. ( already/to buy)

14)How many games....has your team won......so far this season?(your team / to win)

15).....did you visit.........the CN Tower when you.....stayed.....in Toronto?(you/to visit - to stay)

16)......have you done.......your homework yet? -Yes, I..........finished..... it an hour ago.(you/to do - to finish)

17) There.....has been......an accident in Hight street, so we have to use King street to get to your school. (to be)

Exercise 2: Rewrite the sentences without changing their meaning;

1.She started to live in Hanoi 2 years ago.(for)

=>she has lived in Hanoi for 2 years

2.He began to study English whan he was young.(since)

=>he has studied English since he was young

3.I have never eaten this kind of food before. (This is)

=>this is the first time I have eaten this kind of food

4.I have never seen such a beautiful girl before.(she is)

=>she is the most beautiful girl i have ever seen

5.This is the best novel I have ever read.(before)

=>i have never read a better novel than this before