Henry suggested ________ the hospitals before ________ the police to look for him.
A. telephone; asking
B. to telephone; asking
C. telephoning; asking
D. telephoning; to ask
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He went for supper, ________his books lying open on the table.
A. leaving
B. left
C. leave
D. leaves
I found them ________ on a long bench.
A. seated
B. seating
C. to seat
D. sat
I will be looking forward________ from you.
A. to hear
B. to hearing
C. of hearing
D. hear
查询数据库的标准步骤是:______,定义连接的URL,______,建立Statement对象,执行查询,处理结果,关闭连接。