The increase in funds the doctors to continue their important researh arrange/allow/ let/ make

Подойдут и allow и let, но больше всего подходит allow.

1)  One september one thousand nine hundred ninety-five

2)  Fifteen november one thousand nine hundred fifty-three

3) Twenty-five december two thousand

4) Thirty-one december two thousand three

5) Seven january two thousand six

6) Fourteen february two thousand ten

7) Twenty-three february two thousand twenty

8) Eight march two thousand fifteen

9) Twenty two april  one thousand eight hundred seventy-six

10) One may one thousand nine hundred seventeen

11) Nine may  one thousand nine hundred forty-five

12) Eight july two thousand seventeen

13) Twenty-four two thousand nineteen

14) Nineteen august two thousand fourteen

15) Fifteen march two thousand seven

16) Twenty january two thousand seven

Did Ann travel in Europe for 3 months?
Ann didn't travel in Europe for 3 months.

Does he write many books?
he doesn't  write many books.

Is it rainig today?
it isn't raining today.

Do you parents work in a big company?
My parents don't work in a big company.

Has Jim been reading since morning?
Jim hasnn't been reading since morning 

Does Mary have a bath every evening?
Mary doesn't  have a bath every evening.

Are you doing your homework at the moment?
You aren't doing homework at the moment.

Have we just buy a new car?
We haven't just buy a new car.

Did you eat today yet?
I didn't eat today yet.

Has she been waiting for her friend since 2 o`clock?
She hasn't been waiting for her friend since 2 o`clock