10, Going out alone at night is unsafe.
11, Learning English is interesting.
12, Lan is a good French speaker.
13, He often takes part in out door acivities during his summer.
14, I went swimming in the sea last Sunday.
15, Linh suggests that it should be a great idea to go to Nha Trang by train.
16, He told her to show him her visa.
#chucbanhoctotnhe;333
