English. Participle I or II. Please help me with the test Английский язык. Тема: причастие 1 и 2. Пожалуйста, помогите.

1. I always smile while (sing).
A) singing

2. A man (have) two sons usually buys a lot of food.

C) having
3. An (open) book was on the table.
A) opened

4. (Squeeze) by the ice, the steamer couldn't continue the way.

C) being squeezed
5. That man (shout) at the policeman seems familiar.
A) shouting

6. Her father is a famous chemist (respect) by everybody.
A) respected

7. (Enter) the laboratory she saw her assistant.
A) Entering

8. (Know) English perfectly he was able to watch genuine foreign movies.

B) Knowing

1. I always smile while (sing).
A) singing+
B) sung
C) having sung
2. A man (have) two sons usually buys a lot of food.
A) had
B) haved
C) having+
3. An (open) book was on the table.
A) opened+
B) opening
C) having been opened
4. (Squeeze) by the ice, the steamer couldn't continue the way.
A) squeezed
B) squeezing
C) being squeezed+
5. That man (shout) at the policeman seems familiar.
A) shouting+
B) shouted
C) being shouted
6. Her father is a famous chemist (respect) by everybody.
A) respected+
B) respecting
C) being respected
7. (Enter) the laboratory she saw her assistant.
A) Entering+
B) Entered
C) Having been entered
8. (Know) English perfectly he was able to watch genuine foreign movies.
A) Known
B) Knowing+
C) having been known

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