Ex 10. Write questions for the underlined words or phrases. 1. Liz bought many souvenirs in Ho Chi Minh City. 2. The trip to London was very interesting and memorable. 3. They will take their son to the festival next weekend. 4. Tom gave me some American stamps five days ago. 5. They are going to build a rooftop solar panel system next month. 6. Many kings, emperors and scholars worked to develop this university. 7. It will take us only 10 minutes to travel from Hanoi to Ho Chi Minh City by underground in the future.