It is difficult to believe the newspaper accounts of the riots because of the way some rep

— The physics exam is not difficult, is it？— （) . Even Harry to the top students fai

According to the passage, what is the problem with lignin？A．It is difficult to obtain.B．Pa

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

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

Galileo found it difficult to believe that the sun rotated around the earth and the earth_

Although it is difficult nowadays to convince the