Correct the mistake
while or when
100

1 When we looking for the lions at the zoo yesterday, we found the elephants.

 When we were looking for the lions at the zoo yesterday, we found the elephants.

100

1 He was snowboarding ______he fell and broke his leg.


1 He was snowboarding when he fell and broke his leg.

200

2 Yesterday while I came back home, I dropped my purse in the road.

2 Yesterday while I was coming back home, I dropped my purse in the road.

200

2 ______I was sitting on the bus, I saw my English teacher.

2 While I was sitting on the bus, I saw my English teacher.

300

3 When I waiting for the bus, I saw a monkey in the trees.

3 When I was waiting for the bus, I saw a monkey in the trees.

300

3 She learned a lot of English____ she was living in London


3 She learned a lot of English while she was living in London

400

4 When we walk beside the lake, we heard a noise behind us.

4 When we were walking beside the lake, we heard a noise behind us.

400

4 _______I got home I went into the kitchen.


4 When I got home I went into the kitchen.

500

5 It is snowing when I went there and very cold.

5 It was snowing when I went there and very cold.