In 1942,Columbus_______ on the of the Bahama islands, but he mistook it for an island off India.
If it is a sunny day tomorrow, let’s ______it and go swimming in the South Lake.
He said that his bike _____ stolen and he ____ telephone the police.
---Did the naughty boy break the glass by chance? ---No, ________.
Iraq has _______ too many wars since 1990s, making his people _______a lot.
Jim didn’t realize his little sister was crying _____ what he had said.