1 Please have a seat.
2 In summer,I have a swim in the evening.
3 We have have an IQ test.
4 Could we have a word with you?
5 The medicine has a good effect on me.
6 I was in a hurry in the morning,so I had no breakfast.
7 The baby has difficulty in walking.
8 I have difficult with the job.
9 We have four lessons in the morning and two in the afternoon.
10 I went to the airport to see my friend off.
11 He has sent for a doctor.
12 He was sentenced to death.
13 He sets aside some of his income.
14 Lei Feng set an example to us youth.
15 Who set fire to the house / set the houseon fire?
16 Peter was set free after two years' imprisonment.
17 They have set off for a round-world trip.
18 Doctors set out to do the operation.
19 This hospital was set up in 1970.
20 Girls have on colourful dresses.