On April 12, 1961,_____27—year—old Yuri Gagarin(尤里.加加林)became the first human to go into_____ space.
Hobbies can make you as a person.
—What is your best friend like?— .
—I hope you all enjoy yourselves in the World Park. —.
You will be ______ if you walk alone in the forest. There are many ______ snakes and carnivores (食肉动物) in it.
Now the Chinese government has made laws ________ the birds living there.