Когда пишут tooth, а когда teeth?

Вставь нужные местоимения my his her your our their i brush my teeth we brush ... teeth you brush ... teeth he brushes ... teeth she brushes ... teeth they brush ... teeth he does ... exercises you do ... exercises she does ... exercises they do ...

He has a sweet tooth a) he has uneven teeth b) he has a strong liking for sweet foods c) he has even teeth d) he has a set of false teeth

Какой вопрос грамматически правильный (выбрать правильный вариант) 1. How much times in a day do you clean your teeth? 2. How many times in a day do you clean your teeth? 3. How many times a day do you clean your teeth? 4.

Ann (have) a problem at school last week. she (be) in class and her tooth (start) to hurt. The next day her mother (take) her to the dentist. The dentist (look) at Ann's teeth and (see) a bad tooth out. The next day Ann (go) to school.

Выберите правильную форму единственного числа данного существительного 1. moments 2. replies 3. teeth 4. years 5. trains 1. momente 1. replie 1. teeth 1. yeare 1. traine 2. moment 2. reply 2. teethes 2. year 2. traines 3. repli 3. tooth 3. years 3.