( )1．—I’m sorry, Mr Hu. I ________ my English exercise book at home.
—It doesn’t matter. Please remember ________ it here this afternoon.
A. forgot； to bring B. left； to take C. forgot； to take D. left； to bring
( )2．Our Chinese teacher didn’t go to bed ______ he finished his work last night.
A. if B. until C. since D. because
( )3．It’s already tens of years ________ the world’s population reached five billion.
A. before B. after C. since D. until
( )4．The young man lived and worked________the workers.
A. between B. since C. among D. in
( )5．He has never been to Urumqi, ________？
A. has he B. hasn’t he C. is he D. isn’t he
( )6．I write my own songs and I play the guitar ________．
A. or B. neither C. as well D. either
( )7．It’s a time ________ celebration.
A. to B. for C. at D. in
( )8．My sister spent________doing the housework yesterday.