Put the verbs in brackets into the correct tense

I. Put the verbs in brackets into the correct tense
1. Sam hadn't received the parcel before I (speak)....
.......down the street.
2. I met him while I (walk)........
3. We (finish)..…………....
4. Whenever he (come)..
II. Complete the sentence with correct tag questions :
1. The ticket to London costs a lot,
.....?
our homework by the time they arrive.
we go to have lunch at Dick's.
2. No one will buy this house, .
...
3. My uncle was an astronaut,
III. Choose the best answer.
1...........
a. We will go to the beach
c. We have gone to the beach
2. Peter cleaned the windows
a. wasn't he b. didn't he
3. The meeting will begin ...
A. when all the participants were arriving
C. by the time all the participants arrived
*******
as soon as it becomes sunny.
.?
.?
to him.
b. We go to the beach
d. We went to the beach
yesterday...........
c. wasn't it
.?
d. didn't Peter
B. after all participants had arrived
D. as soon as all the participants arrive