Childrenshould_________wastewater.
A、tellnotto
B、betolddon’
C、betoldtodon’
D、betoldnotto
A、规范性
B、权威性
C、纵向性
D、严肃性
E、统一性
Youshouldtrytowrite__________evenwhenyou’rebusy.Asyouknow,practicemakesperfect.
A、nowandthen
B、moreorless
C、soonerorlater
D、hereandthere
出口贸易是我国引进技术和利用外资的物资基础，制约着我国现代化建设的规模和进程。()
WhenBobwokeuphefoundhimselfinhospital,buthedidnt__________.
A、cameabout
B、cameout
C、camealong
D、cameacross