He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
Trees are useful to man mainly in three ways, the most important of which is that they can protect ______ from droughts (干旱) and floods.
| A．it | B．itself | C．himself | D．him |
—made Daisy wild with joy？
—Her success in the A-level exam this year.
| A．How was it that | B．When was it that |
| C．Why was it that | D．What was it that |
For environmental reasons，we as well take these waste products and have them recycled.
| A．shou1d | B．would | C．might | D．could |
The film Avatar will be on tonight but it’s at l：30am. I don’t want to that late.
| A．stay up | B．show of | C．put up | D．get off |
—Don’t hesitate to buy the dress if you like the design and pattern.
—No, I won’t,the price is reasonable.
| A．as soon as | B．as well as | C．as far as | D．as long as |