Some countries have banned smoking in public places ______ public health．
| A．improve | B．to improve |
| C．improving | D．improved |
All the students were studying in class Tom;he was playing football on the playground.
| A．except | B．besides |
| C．except for | D．except on |
The doctor wrote him a prescription some medicine.
| A．to | B．in | C．on | D．for |
They each other for 5 years.
| A．have been in love with | B．have fallen in love with |
| C．are in love with | D．fell in love with |
She admitted that she had hidden the evidence because she loved him and wanted to him trouble.
| A．keep;out | B．keep;out of |
| C．keep;up | D．keep;into |
However, happened later proved me wrong.
| A．what | B．that |
| C．which | D．no matter what |