—We are worried about Tom. Why hasn’t he come back?—Don’t worry. He ______ in a traffic jam.
Either the ways or the time ____ yet, but you may ask the headmaster for some information.
The purse found on the playground matches the ____ by Mary, so it must be hers.
—Quite a lot of students failed in the math exam. —Exactly.It is ____ their abilities.
—Those scientists invented a robot to care for kids! —It’s not surprising.They ____ wonders all the time.
Following the girl, we went into a hall, on ____ walls hung a few pictures of some famous scientists.