21.I did some research ____ PSAs, and have very important information to _____ with you.
A. in ; spare B. on; share C. on ; spare D. in ; spend
22.The boy ___ in bed _____ to me that the hen______five eggs.
A. laid; lying; had laid B. laying; lied; had laid
C. lying; lied; had lied D. lying; lied; had laid
