I had just stepped out of the bathroom and was busily drying myself with a towel ______ I heard the steps.
| A．while | B．when | C．since | D．after |
The soldier rushed into the railway station, ________.
| A．with gun in hand |
| B．gun in hand |
| C．with a gun in hand |
| D．gun in hands |
For miles around me there was nothing but a desert, without a single plan or tree________.
| A．in sight |
| B．on earth |
| C．at a distance |
| D．in place |
The boys are playing________the edge of the river.
| A．on |
| B．by |
| C．in |
| D．at |
That shop mainly________agricultural products.
| A．trades |
| B．trades for |
| C．trades in |
| D．trades with |
The garden is________with the sweet of flowers.
| A．full |
| B．heavy |
| C．busy |
| D．pleased |