Сэтим put the verb in brackets into the present simple, present continuous or present perfect. 1. what (do) you with the knife? the point is broken off. 2. do come in and join us. we (have) coffee and (watch) tv. 3. my father (like) a lot of milk in his tea. 4. this map (be) the largest that we (have 5. listen! they (try) to start the car. 6. i (think) he (be) a good chap. 7. you (know) nick? how long (know) him? 8. i (know) you nearly all my life, but i never (see) you so excited about anything.

1)are you doing
2)are having,watching
3)likes☆
4)is, had
5) are trying
6)think, is
7 неправильное, должно быть Do you know...
8)know see

Ну вообще, в некоторых предложениях можно несколько вариантов подставить. Поэтому надо уточнять задание, какие именно времена или типы кондишн использовать.

1) If she visit me, I will be glad.
(или) If she visited me, I would be glad.

2) Tonight I will go to bed after I do my homework.

3) When the lessons finish, the teacher will give us marks.

4) If they come tomorrow, I will make a cake.

5) If you arrive late, you will miss your flight.

6) She will buy me a present if she go to Australia.

7) If you don't climb the tree, you won't see a bird.

8) If the weather doesn't change, the plane won't be on time.

9) We will see Big Ben if we travel to London.

10) If I don't have mistakes, I will get 10 ... (неполный пункт, мне кажется)

Практически все 3 союза можно употребить в каждом из предложений.

1) He couldn’t play due to his injured shoulder.

2) She got the job owing to her excellent qualifications.

3) We couldn’t eat outside due to the awful weather.

4) She had to stay at home because of her broken leg.

5) The flowers died because of the dry weather.

1) Он не мог играть,  из-за своей травмы плеча.

2) Она получила работу, благодаря своей отличной квалификации.

3) Мы не могли поесть на свежем воздухе, из-за ужасной погоды.

4) Ей пришлось остаться дома, из-за сломанной ноги.

5) Цветы завяли, из-за сухой погоды.