Question

the--------(sometimes /have) lunch at work but today they ------(have) at restaurant ​

Answer 1

Answer:

The group sometimes had lunch at work but today they have done it at restaurant.

Explanation:

first one is past perfect

Work occurred in past finished at past.

second one is present perfect

stating a situation happened just now or right after the first one occurred.

Answer 2

Answer:

Explanation:  

the group sometimes had lunch at work but today they have done it at restraunt