从所给的四个选项中选择最佳答案

He had a bad cold, ______ he didn't attend the meeting．　　　

[　　]

A．because　　　　B．because which

C．because of　　　D．because of which

从所给的四个选项中选择最佳答案

Mary had to do housework, so she ______ her child playing in the garden．

[　　]

A．let 　　　B．allowed

C．left　　　D．forced

从所给的四个选项中选择最佳答案

She had been ______ leaving the hospital wards for a holiday in the Orkneys．

[　　]

A．looking for　　　B．looking forward to

C．looking on　　　D．looking over

从所给的四个选项中选择最佳答案

He had such good books ______ all the children liked to read．　　　

[　　]

A．that　　　B．as　　　C．which　　　D．whose

从所给的四个选项中选择最佳答案

She had lived ______ ever since her daughter had moved to London many years before.

　　　　　　　　　　　　　　　　　　　　　　　　　　　　 [　　]

A．herself　　　B．alone　　　C．lonely　　　D．lone