4) Вставьте have to / has to, don't have to /doesn't have to: a) You water the plants. Jane has done it. b) She do it. It's necessary. c) If you want to become an engineer, you work hard. d) You hurry up. It's early.

Ответ: a) don't have to, b) has to, c) have to, d) don't have to

a) You don't have to water the plants. Jane has done it. (Тебе не нужно поливать цветы. Джейн уже сделала это.)

b) She has to do it. It's necessary. (Она должна это сделать. Это необходимо.)

c) If you want to become an engineer, you have to work hard. (Если ты хочешь стать инженером, тебе нужно усердно работать.)

d) You don't have to hurry up. It's early. (Тебе не нужно торопиться. Еще рано.)

Ответ: a) don't have to, b) has to, c) have to, d) don't have to