НУЖНО !!!! .17.3. Put the following sentences into the Past Continuous. 1) Sandra is singing a beautiful song. Sandra was singing a beautiful song. 2) The children are going to bed. 3) Jimmy is living in the USA. 4) We are having a delicious dinner at home. 5) I am keeping fit. 6) Paul is driving a car. 7) We are sailing down the river. 8) Mary is leaving home. 9) The boys are playing tennis. 10) Bob is getting up. 11) The sun is rising. 12) A strong wind is blowing. 13) The bell is ringing. 14) The weather is changing. 15) The boys are running a marathon. 28​

the students has to use dictionary in the test.

1 did students have to use the dictionary in the test?

2 what did students have to do with the dictionary?

3 what did students have to use?

4 where did have to use the dictionary?

5 who had to use the dictionary in the test?

6 students had to use the dictionary, didn't they?

7 did students have to use the dictionary in the test or at home?

negative:

1 students didn't have to use the dictionary in the test.

2 didn't students have to use the dictionary in the test?

3what didn't students have to do with the dictionary?

4 what didn't students have to use?

5 where didn't have to use the dictionary?

6 who hadn't to use the dictionary in the test?

7 students hadn't to use the dictionary, did they?

8 didn't students have to use the dictionary in the test or at home?