Some people use less energy by ______.
A. carpool
B. to carpool
C. carpooling
D. being carpooled
查看答案
______ is fun and a great way ______ greenhouse gases.
A. Plant trees, reduce
B. Planting trees, to reduce
C. To plant trees, reduce
D. Planting trees, to reducing
______ on Mount Panshan in Jixian County is a good choice in this season.
A. Take a hike
B. Taken a hike
C. Taking a hike
D. Having taken a hike
Her job is ______ the garden clean.
A. keep
B. kept
C. keeps
D. keeping
The spring Festival is coming. I'm busy ______ the room. There is no time ______ to the shop.
A. cleaning; to go
B. to clean; going
C. cleaning; going
D. to clean; to go
微信支付 
支付宝支付