My grandfather used to build railways for the Japanese army(军队) when he was young. He was ______ to work hard from morning till night.
—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.