Bridges and tunnels

Bridges and tunnels 1. ____________ as crucial transportation structures Untitled Question

• serve both
• both serve
• are both serve

to cross obstacles 2. ___________ rivers, valleys, or even entire bodies of water.

• for example
• such as
• for instance

3. ___________, they differ in design, construction

• However
• In addition
• Likewise

they differ in design, construction, and 4. _____________.

• functional
• it functions
• functionality

arches which make 5. ____________ visible landmarks in many cities

• its
• their
• them

6. ______________, tunnels are constructed underground or underwater.

• similarly
• Moreover
• In contrast

They 7. ____________ extensive excavation and reinforcement

• require
• requiring
• required

8. ____________ bridges are often affected by weather conditions

• On the other hand
• While
• Unlike

and they offer a 9. _____________ environment

• controller
• more controller
• more controlled

10. ____________ these differences, both structures play a vital role

• Whereas
• Although
• Despite