A:is
B:are
C:were
D:was
There are many things to help you .
chōu ti
shū jí
kǒng bù
xī wàng
____
guāi qiǎo
hóng máo
fēng zheng
xiá zi
北京中关村是我国第一个国家级高新技术产业开发区.北京发展高新技术产业的优势是( )