The beautiful song ________ me of those happy old days we had spent together.
My English teacher’s humor was ___make every student burst into laughter.
---Is Jack on duty today? ---It ________ be him. It's his turn tomorrow.
—Have you handed in your schoolwork yet? —Yes, I have. I guess it ______ now.
in the mountains for two weeks, the two bous were finally saved by the local police.
After the long journey, the three of them went back home, ______.