You are welcome to order the goods now. But payment should be made ______.
A. for advance
B. advancing
C. in advance
D. to advance
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老年人脑血栓形成最常见的病因是( )
A. 高血压
B. 脑动脉粥样硬化
C. 冠心病
D. 心肌梗死
I am looking forward to ______ the film again.
A. see
B. saw
C. seen
D. seeing
Mary's house is ______ the hair salon. Do you think you can find it
A. along
B. near to
C. against
D. next to
下列用于治疗老年人慢性便秘的药物中,长期服用可引起水电解质紊乱的药物是( )
A. 石蜡油
B. 果导
C. 番泻叶
D. 硫酸镁