Exercise 4. Write the sentences 1)this pen / good/ that pen 2) a old bike/ bad /an new bike →. 3)this book/ beautiful/ that one 4)Lan /intelligent/Hoa →.. 5)a mouse/run/slow/ a cat → 6) I/swim/slow/he 7)this car/ good/ that car →.. 8) a red pen /bad/ a blue pen 9) Tom/happy/he →.. 10)They/short/she
