Answer:
3. opens, did not open
4. do not travel, traveled
5. start, started
6. takes, did not use, rented
7. bring, enjoyed
Step-by-step explanation:
3. It usually opens at 7:00 a.m., but it did not open until 7:30 yesterday morning.
4. I usually do not travel on business, but last month I traveled twice on business.
5. I usually start at 9:00, but I started at 8:00 this morning because I was very busy.
6. She usually takes a bus or train, but last week she did not use public transportation. She rented a car.
7. I usually bring something from home, but last Friday was a co-worker's birthday, so five of us enjoyed a delicious meal at Siam Garden.
Have a lovely rest of your day/night, and good luck with your assignments! ♡