Question

complete the sentence by choosing the correct answer:-

1)later, different chemicals ______ to make matches.

A)used. B)are using. C)were used. D)have used

2)Now, we find electric lighters____ cause ignition.

A)that. B)this. C)these. D)those.​

Answer 1

Answer:

1. Have used

2. That

Hope it's helpful to you.

According to my point of view this is the correct answer.

Answer 2

Answer:

1. Were used
2. Now we find electric lighters that cause ignition