Ответ: 1. should

2. don't bound

3. didn't have

4. don't supposed

5. didn't have

6. should

Verified answer

Ответ:

1) should do more research

2) has bound finished(?)

3) have took the samples

4) supposed to check(?)

5) didn`t have tamper

6) shouldn`t apply(?)

Объяснение:

(?) - не до конца уверен в правильности