如: If he takes on this work, he will have no choice but to meet an even greater challenge. 如果他接受这个工作,他将别无选择,只能去迎接一个更大的挑战。 2. 关于介词后从句作宾语 用于介词后作宾语的从句,可以由what, who, which, when, where, how, why等,但...