______(令学生失望的是), the books they needed were sold out at the bookstore.

填空题50（）

填空题interferes

填空题Mr. Johnson made full preparation for the experiment ______(以便试验能顺利进行).

单项选择题What may be the qualities that some companies are looking for according to the passage

单项选择题69（）

A．only
B．ultimately
C．simply
D．initially