Réponse

4.

a. was examining/arrived

b. was running/found

c. was walking/found

5.

a. when sudenly a man with brown hair and a long black overcoat burst through the doors.

b. watson searched his rucksack throwly for any suspicious items.

c. when sudenly a bag of flour fell on his head and he fainted.

Explications :

Déjà on dit bonsoir

Bonsoir

Exercice 1

1) Dr waston was examinig the body when sherlock arrived

2) lestrade was running after the suspect when he found him

3) holmes was walking nar when he found a gun

Logiquement avec les réponse que je t'ai apporter tu dois savoir faire le 2

may the force be with you

au revoir