The difficult task _____ me almost a whole week to finish.A.spentB.castC.tookD.lost

All the tasks __________ ahead of time, 怎么选择

The London Marathon is a difficult race._______, t

Some experts believe it is a difficult task to______.A．design new and comfortable devicesB

______, it was completed on time.A．Difficult as the task wasB．Difficult as was the taskC．A

In "I found it difficult to adapt myself to things around here", "difficult" is the ______

For a green－hand babysitter, it seems a very difficult task______.A．to stop the child to c