— That’s the third time he’s won the award in this field.
— Yes. He ______ his maximum potential in the past decade.
| A．explored | B．is exploring | C．has been exploring | D．has explored |
The difference in thickness and weight from the earlier version makes the iPad 2 more comfortable______.
| A．held | B．holding |
| C．be held | D．to hold |
The party will be held in the garden, weather ________.
| A．permitting | B．to permit |
| C．permitted | D．permit |
Time, ________correctly, is money in the bank.
| A．to use | B．used |
| C．using | D．use |
________ to work overtime that evening, I missed a wonderful film.
| A．Having been asked | B．To ask |
| C．Having asked | D．To be asked |
China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats from ________ in the South China Sea.
| A．attacking | B．having attacked |
| C．being attacked | D．having been attacked |