Online shopping , when properly ____, can save a lot of time , money and energy.
| A．done | B．is done | C．having done | D．doing |
Now the world’s attention ________ the stock markets，as they have a great influence on the world’s economy.
| A．is fixing on | B．has fixed on |
| C．is being fixed on | D．had been fixed on |
Whatever you have found，you should give it back to whomever it ________.
| A．is belonged to | B．is belonging to |
| C．belonged to | D．belongs to |
I feel so excited! At this time tomorrow morning I ________ to Shanghai.(2012·辽宁，31)
| A．will be flying | B．will fly |
| C．have been flying | D．have flown |
The letters for the boss________on his desk but he didn’t read them until three days later. (2012·天津，2)
| A．were put | B．was put |
| C．put | D．has put |
I felt very tired when I got home，and I ________ straight to bed. (2013·重庆，21)
| A．go | B．went |
| C．had gone | D．have gone |