下面哪个标语提醒我们“严禁停车”？
A．
B．
C．
Mr．Smith，a famous scientist，________that park next Thursday．
| A．visits |
| B．visited |
| C．will visit |
| D．was visiting |
Mark works hard now，and he does his work________than before．
| A．more careful |
| B．more carefully |
| C．most careful |
| D．carefully |
We all want to know who can________the physics problem?You know，it’s very difficult．
| A．work out |
| B．take out |
| C．set out |
| D．look out |
They are going to London next month．They are________visiting the Buckingham Palace．
| A．looking at |
| B．looking for |
| C．looking forward to |
| D．looking over |
You always________a mess．I can’t stand you any longer．
| A．set |
| B．give |
| C．make |
| D．take |