I don’t understand the story though thereare___new words in it.

Thelittleboystoodbeforetheshopwindow,______hiseyesonthetoybearinit.[ ]

Students taking the course _____to finish their homework with the help of computers

Practice more, _______ you’ll learn English better.

e launch in 2005 is successful, Chinawill be the third country ________its astronauts into space.