Thebirdstriedtofindasmanymaterialsaspossible

問題詳情：

The birds tried to find as many materials as possible _________.

A. that they could build their nests          B. they were able to build nests

C. with which to build their nests           D. by which to build their nests

【回答】

C

知識點：介詞

題型：選擇題