The number of the books in our library _________ about 20,000.
—Who went to the park with you yesterday?—Li Lei _____ .
— _____ was the tea party last week?—It was very nice.
Would you like _____ shopping with us tomorrow?
—I can play the guitar.— _____ can you do?—I can also sing English songs.
—Can you play ping-pong _____ basketball?—I can play ping-pong.