______ 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
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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
I don't feel like ______ now.
A. to sleep
B. asleep
C. to be sleeping
D. sleeping
This company was the first ______ portable radios as well as cassette tape recorders in the world.
A. produce
B. to produce
C. have produced
D. produced