用宾语从句改写句子it was hard to say.whose bike is it合并成一个句子

It is raining hard now .(用tomorrow改写句子) It is raining hard now (用tomorrow改写句子) Whose bike is it? 用It is/was...that/who...形式改写下列句子 改写句子I find that it is hard to get along well with all my cla “it's hard to say”的句子结构? i tried hard.it was impossible to get there on time.合并成一个主从复 把下列句子合并成宾语从句 合并成含宾语从句的句子 将下面句子合并成宾语从句 把下面句子合并成宾语从句, 将下列句子合并成宾语从句