The road was hardly ________, but we moved on. A: ecall B: visible C: ecognize D: efficient

The twins are so alike that no one can ______ one from the other. ( ) A: ecognize B: identify C: distinguish D: distinction

Bill is ________ from the many movies he has appeared in. A: ecognize B: ecognition C: ecognizable D: ecognizably

We haven`t contacted for many years, so when he telephoned me I couldn`t_________his voice at first. A: hea B: ecognize C: know