Of all the subjects, physics seems to be for me.
A. difficult B. too difficult C. more difficult D. the most difficult
Most of us won’t realize the of health until we lose it.
A. courage B. value C. reason D. purpose
—Have you finished the work?
—Not yet, but we'll keep ________ until we make it.
A. failed B. trying C. tried D. failing
At last，the teacher _________ who stole Li Ming’s pen.
A. find B. found C. found out D. looked for
They were all very tired, but ____ of them would stop to take a rest.
A． any B．some C．none D．neither
The children compete ______ each other to reach the other end of the pool.
A．against B．in C．at D. for
