More and more people come to realize that only by _______ high technology can we increase economic power.
A. fitting into B. handing over C. turning into D. relying on
Tiger Woods said that he needed to have his attention _____ on being a better husband, father and person.
A. focusing B. focus C. be focused D. focused
You look so tired. You _________ have stayed up again.
A. should B. can C. may D. must
---Peter, would you like a beer to go with your meal?
---Sure, it _________.
A. ordered B. was ordered C. has been ordered D. has ordered
_________several times, but Mary still has no idea of how to do it properly.
A. Being shown B. Having shown C. Having been shown D. I’ve shown her
— The weather isn’t good enough for an outing, is it？
— Not in the least. We can’t have _________at this time of the year.
A. a nicer day B. a worse day C. a worst day D. so fine a day
