----Is that Jack speaking? ----Sorry, he isn’t in right now. He ________ the park with his mother. A. have been to B. has gone to C. has been to
__ nice film Wolf Totem (狼图腾) is! I'd like to see it again if l am free.
I will telephone the police and complain about it__ the noise stops soon.
Take the exam carefully, __ you won't get good marks.
The students__to be very strict with themselves in their study and work.
My brother can work out problems__ than any other student in his class.