Do you think shopping online will take the place of shopping in stores?
The black box is a necessary device on an airplane, which records its speed, direction and whether everything on the airplane______ normally.
Stella was disappointed to find her new plan ______and fell into great depression.
If we can ______ our present difficulties, then everything should be all right.
Anyway, that evening, ______ I’ll tell you more about later, I ended up staying at Rachel’s place.
–Is there an express to Beijing tonight? -- There ______be , but you’d better call the booking office to make sure.’