On his way home, he found a wallet ___ on the ground, which he picked up and ____ in his schoolbag.
#96694
A
lying, laid
B
laying, laid
C
laid, lay
D
lain, lay
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Now that you’re grown up,you’d better spend your time just on the things you find_______.
#91339
A
worth doing them   
B
worth being done
C
worthy of doing them  
D
worthy of being done
The country has already sent up three unmanned spacecraft, the most recent _____ at the end of last March.
#99009
A
has been launched
B
having been launched
C
being launched
D
to be launched