Bears often hide themselves in places ________ can’t be found by hunters.
A. in which B. where C. that D. 不填
________more about university courses, call (920) 746-3789.
A. Finding out B. Find out C. To find out D. Having found out
If _______ in class, you will have to clean the classroom for a week as a punishment.
A. caught sleeping B. caught to sleep C. catching sleeping D. to catch to sleep
He did nothing but ________walk in the street.
A. taking B. take C. to take D. took
The murderer was brought in, with his hands _______ behind him.
A. being tied B. having tied C. to be tied D. tied
The first edition ________ in 1955 and ________ a best seller ever since．
A．was published；had been B．was published；has been
C．has been published；has been； D．had been published；had
