Her husband joined her_____ her search _____ this unknown radiation[ ]

John Snow was ____famous doctor in London—so expert that he attended ____Queen Victoria as her personal physician.

Did you make sense of what the man said just now?—No, his meaning didn’t . Would you explain it to me?

It’s hard to believe that Jack ________ have fought with the policeman.—Yes.If one ________ ask for trouble, it can’t be helped.

___ I could fly to the moon by spaceship one day.