Shanghai is the first city in the world ____a high-speed maglev train, from the city to Pudong Airport.
| A．to build | B．to be built | C．to have built | D．to have been built |
The kind lady devoted all her life to _____ those homeless children.
| A．help | B．helping | C．be helping | D．being helped |
It’s helpful to put children in a situation _____ they can see themselves differently.
| A．that | B．when | C．which | D．where |
Only when he reached the tea-house ______it was the same place he’d been in last year.
| A．he realized | B．he did realize |
| C．realized he | D．did he realize |
___ they visited our school, they showed great interest in everything they saw.
| A．The first time | B．For the first time |
| C．At first | D．At the first time |
It_____everyone to hear all of the villagers behind the mountain were killed in the earthquake.
| A．suffered | B．shocked |
| C．persuaded | D．destroyed |