（题文）While I was at the ________, I heard a nurse ________ Davy’s name.
A. doctors’; call B. doctor’s; to call C. doctor’s; calling D. doctors’; called
What were you doing ________ last Sunday morning?
A. at B. in C. Over D. /
— Look! The cat ________ from the tree.
— Yes.It________ the tree just now.
A. is jumping down; climbed up B. is jumping down; is climbing up
C. jumps down; was climbing up D. jumps down; climbed
（题文）There is a blackboard________ our classroom. Our teacher was standing ________ the blackboard at this time yesterday.
A. in front of; in the front of B. in the front of; on
C. in the front of; in front of D. in front of; in
When the man downstairs knocked at the door, I_______.
A. am doing housework B. was doing housework
C. were doing housework D. am going to do housework
— _________ beautiful park Xiaoyaojin Park is!
A. What B. What a C. How D. How a
