If nature doesn’t provide man with the necessary material, it is the laboratory _____ he will turn to for help.
| A．where | B．that | C．which | D．what |
My boss is very generous, and he is ______ generous when we get a big order.
| A．very | B．most | C．only | D．rather |
This room isn’t actually _______ I wanted when I made my reservation.
| A．what | B．where |
| C．which | D．whether |
The Subway Line 16 _______ in Beijing is planned to open this year.
| A．being built | B．building |
| C．built | D．to build |
---Have you heard about the shark attack accident at the SeaWorld show?
---Yeah, how horrible! A trainer ______ in front of the audience.
| A．had been killed | B．has been killed |
| C．was killed | D．is killed |
My normal monthly emails to and _______ pen pals have disappeared with my tight schedule.
| A．in | B．for |
| C．from | D．through |