2. Join the following sentences. Use who, that, which or whose. Add commas where necessary.
(Nối các câu sau. Sử dụng who, that, which hoặc whose. Thêm dấu phẩy nếu cần thiết.)
1. My brother teaches me how to use a laptop. He is good at computers.
=> My brother _________________________________________________________________________.
2. Peter is a friend of mine. His sister is taking an online maths course.
=> Peter ______________________________________________________________________________.
3. Lan has read the book. I lent her the book.
=> Lan _______________________________________________________________________________.
4. The boy has designed this invention. He is only 10 years old.
=> The boy___________________________________________________________________________.
5. That app is easy to use. It can help improve your English pronunciation.
=> That app __________________________________________________________________________.
1.My brother,who is good at computers,teaches me how to use a laptop
2.Peter,whose sister is taking an online maths course,is a friend of mine
3.Lan has read the book which I lent her
4.The boy who is only 10 years old has designed this invention
5.That app,which can help improve your English pronunciation,is easy to use