六年级的几道题!急需求解!（英语）

六年级的几道题!急需求解!（英语）
1.My cousin is good at both English and Chinese. (保持原句意思)
My cousin is good at ________ ________ English ________ ________Chinese.
2.We are going on a field t________to Zhangjiang High-tech Park next Friday.
3.Mike thinks it’s interesting to write computer p________.
4.Be careful when you are on a ________（busy)street.