students are told _____very careful when they are doing experiment.a.should be b.be c.to be d.will be 这该选什么,为什么,和什么语法有关,

The students are tired after playing soccer __ __ __(两小时).此空如何填? There are two __(hundred) students in our factory The students are __(worry) about their exams There are three students in my class.They are from America.(连成同一个句子)There are three students __ __ __ America in my class. There are fifty students in our class.(用next year改写句子）There __ __ __ __ fifty students in our class next year. 11.37 They are such diligent __ that they have already made __They are such diligent __ that they have already made __.A.students,so much progress B.students,great progressC.students,such much progress D.students,so many progress Middle school students are always told not to smoke怎么翻译 There are lots of students in our school.(保持原句意思）There are __ __ students in our school. 根据短文填词.Here are some pictures of my school.There __ many students on the playground.Wome students are playing __.Some students are playing football.And other students are __ around the playground.I have a big __.Oh,there are many classmat Both John and Harvey are good students 改为反义句__ John __ Harvey is good student All the students are sweeping the floor.的同义句All the students are sweeping the floor.的同义句,每空一词,如下：__ __ students are sweeping the floor. The students are doing an experiment __ ___ ___ ___ their teacher. In English classes,the students are ofen __(分开）groups to discuss questions. I __ to the names on the list, there are six other students(add) The tuition fees are __ to students coming from low-income famili～ There are some students __(想要） to watch TV in the classroom The problem is that there are __ F4 places for so many F1 students ...Many students will haveto go __ to... before 引导时间状语从句Students _____ to close the windows before they leave the physics and chemistry.答案说是are told ,为什么不是will be told?