Someschoolteacherscomplainthatmanykidshaven’tgotanyhob...
来源：语文精选馆 3.43W
问题详情：
Some school teachers complain that many kids haven’t got any hobbies-________we call playing computer games a hobby
A. unless B. once C. since D. if
【回答】
A
知识点：连词
题型：选择题
