Study hard , ______ you will not pass the exam .
A. and B. otherwise C. if D. unless
I hate going out alone，so I often ask my friend to ________me.
A．defend B．protect C．accompany D．guard
Harry Potter is such an interesting book _______all kids like to read.
A. as B. that C. / D. which
Hang your wet towel over the chair to ________ it ________.
A．carry; out B．dry; out C．dry; up D．put; up
Mr. Zhang is the best music teacher in our school, but he has hurt his left foot and cannot ________tomorrow's concert.
A．take part B．play a part in C．participate D．participate in
The students ______ to write English words carefully from the beginning.
A. be trained B. should be trained C. train D. to train
