They were filled with joy when they Chinese soil in late July.
| A．set foot in | B．set foots in | C．set foot on | D．set foots on |
— How are the things in your village?
— Modern farming methods have been brought in and the villagers are ______ now than before.
| A．well off | B．better off | C．badly off | D．worse off |
— What do you think of the bottled water?
— I don’t like it at all. It is reported that much nutrition, including some minerals, ______ while it is being processed.
| A．are ridded of | B．are gotten rid of | C．gets rid of | D．is ridded of |
The operation room in every hospital has to ______ bacteria of any kind.
| A．keep free from | B．make it free from | C．be made free from | D．be kept free from |
Only ______ a human being.
| A．when is it hungry a lion will attack | B．when it is hungry a lion will attack |
| C．when it is hungry will a lion attack | D．when is it hungry will a lion attack |
The president spoke at the business meeting for nearly an hour without ______ his notes.
| A．bringing up | B．referring to | C．looking for | D．trying on |