驱虫药宜()
A.及时服
B.饭前服
C.空腹服
D.睡前服
E.饭后服用
参考答案:C
The manager has _____ to improve the working conditions in the company. [ ]
A. accepted
B. allowed
C. permitted
D. agreed
影响织物形成的主要因素有上机张力、开口时间和()。