All fields are required这是什么意思

all fields are required是什么意思 All fields are required这是什么意思 The farmers are working______the fields. Fill in all required entry fields Please enter your information for all fields. fields The fields in bold are required.RT none of these fields are changeable是什么意思? none of these fields are changable Mandatory fields are marked with an asterisk. The following fields are invalid是什么意思 Please fill out all the fields in the form. There are required fields in this form marked求翻译 Please note that fields marked with * are mandatory是什么意思 in,the,farmers,working,are,fields.连词成句 改错The peasants are working hard on the fields. 英语翻译the earth is a beauiful place .there are forests and rivers ,mountains and fields .some places are very hot,and some are very cold.there are many different plants .some are large.some are small.all plants need light and water.there are di 2.____for a long time,the fields are all dried up.A.There has been no rain B.Having no rain C.There having been no rain?D.There being no rain答案是C能不能都讲解下啊?