25．Can you explain ____ most deserts are located near the west coast of the continents?
| A．why is it that | B．why it is that |
| C．how it is that | D．how is it that |
–Guess what, we’ve got our visas for a short-term visit to the UK this summer.
--How nice! You a different culture then.
| A．will be experiencing | B．have experienced |
| C．have been experiencing | D．will have experienced |
We've just moved into a bigger house and there's a lot to do. Let'sit.
| A． | keep up with | B． | do away with | C． | get down to | D． | look forward to |
Teachers recommend parents their children under 12 to ride bicycles to school for safety.
| A．not allow | B．do not allow | C．mustn’t allow | D．couldn’t allow |
Every year a flood of farmers arrive in Shenzhen for the money-making jobs they before leaving their hometowns.
| A．promised | B．were promised | C．have promised | D．have been promised |
More and more high-rise buildings have been built in big cities space.
| A．in search of | B．in place of | C．for lack of | D．for fear of |