The temperature can fall to －50°C. _____ is, 50°Cbelow freezing point.
A. Which B. It C. This D. That
---Do I have to bring my camera tomorrow afternoon?
---I think so．We _______ the Botanical Garden then.
| A．will be visiting |
| B．are visiting |
| C．have visited |
| D．visit |
We have an adviser on hand in this activity _______ you have any worries or problems.
| A．when | B．now that |
| C．though | D．in case |
The spread of the Ebola virus in Nigeria is believed _______ by August, 2014.
| A．to be controlled |
| B．to have been controlled |
| C．to control |
| D．to have controlled |
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 |