Lemons can be made into a nice drink when you ______their juice with sugar and water
| A．mix | B．cover | C．add | D．match |
.I invited him to dinner, but he___ my invitation with thanks.
| A．approved | B．declined | C．ignored | D．abandoned |
The population of this city ,forty percent of which_____, ______ 15% in the last three years
| A．are Germans, has risen by |
| B．are Germen, has fallen by |
| C．is Germans, have been increased by |
| D．is Germen, have been reduced by |
—Guess what? Tom has failed in the exam ____ second time.
—How come? He is ___ second to none in English in our class.
| A．a; a | B．the; a | C．a; / | D．the; the |
The train is running ______120 kilometres an hour.
| A．at a speed | B．at the speed | C．at a speed of | D．on a speed of |
Jumping out of ____ airplane at ten thousand feet is quite _____ exciting experience.
| A．/ ; the | B．/ ; an | C．an; an | D．the; the |