1. I won't go swimming tomorrow . I will stay at home.(合并为一句)
I will stay at home ----------- ----------- ------------ swimming tomorrow.
2.He joined the army five years age.(改为同义句)
He --------- ---------- ------------- the army for five years.
3.My uncle has two children . But --------- of them is a doctor.
A.in B.out of C. off D.out
4. You had a very good vocation.(改为反义疑问句)
You had a very good vocation,--------- ------------?