Question

16.
i. Go
ii. Went
iii. Had gone
iv. Has gone
17.
i. Received
ii. Receive
iii. Receiving
iv. Has received
18.
i. Do
ii. Does
iii. Did
iv. Doing
19.
i. Completing
ii. Completed
iii. Completes
iv. Complete
20.
i. Joined
ii. Joining
iii. Had joined
iv. Joins​

Answer 1

Answer:

16.went 17.reseved 18.did . 19.completed .20. had joined

Answer 2

Answer:

1.Kalpana Chawla was the first Indian astronaut who has gone into space.

2.She received her early education in Tagore School in Karnal.

3.For higher studies ,she went to USA where she did her Bachelor of Science degree in Aeronautical Engineering.

4.She completed her Master's degree and Ph.D. in Aerospace engineering.

5.She then joined NASA and became the first Indian American women astronaut.