请在第(49)处选择正确答案______

单选题请在第(49)处选择正确答案_______

A．what
B．which
C．that
D．as

参考答案C

解析:C。考查同位语从句。空格后为expectation引导的同位语从句，解释expectation的具体内容，所以选that。

单选题请在第(50)处选择正确答案_______

A．completed
B．finished
C．accomplished
D．fulfilled

单选题Evidence came up ______ specific speech sounds are recognized by babies as young as months old．

A．what
B．has
C．that
D．whose

单选题 Televisions enable us to see things happen almost at the exact moment____

A．which they are happening
B．they are happening
C．which they happen
D．they have happened