Answer:
1) Can you <u>speak</u> French?
<em>( The word can is used with the infinitive form of the verb. Therefore, the word 'speak' can be used to fill in the blanks in this sentence. )</em>
2) Michael <u>didn't go</u> to work yesterday.
<em>( It is clear from the word 'yesterday' itself that this is a past tense sentence. This sentence emphasizes that he did not go to work yesterday. So you can use the phrase "didn't go" to fill in the blanks here.)</em>
3) A: <u>How much is it to get in? </u>B: $8 for an adult, $4.50 for children under 12.
<em>( Here it is clear from what the second person is saying that the first person is asking him about prices etc. Therefore, the 'How much is it to get in?' term is more appropriate to fill in the blanks in this sentence.)</em>
4) It’s a lovely day. It’s <u>sunny and warm</u> Let’s go to the beach.
<em>( This term ' sunny and warm is suitable to fill in the blanks here as it makes clear that the weather is ideal for going to the beach.)</em>
5) I didn’t have much time, so I did my homework <u>quickly.</u>
<em>( In this sentence he tries to show that he has finished his work very quickly because he does not have much time. So the most appropriate term to fill in the blanks here is 'quickly'. )</em>