Beijing and Zhangjiakou applying to host the 2022 Winter Olympic Games in 2013.
A:begin
B:began
C:have begun
D:had begun
拼一拼,填一填。
cuì niǎo chèn shān dǒu qiào qīng cuì
____ ____ ____ ____
wěi gǎn zhù shì yú wēng dàng yàng
看拼音,写词语。
yóu qí
fēng jǐng
tā men
____
shí kuài
zhàn lì
hǎo xiàng