. Man must produce more grain to support the _____ growing population on earth.
| A．already | B．just | C．ever | D．yet |
Their loving ____ was discovered by their parents.
| A．business | B．affairs | C．events | D．incidents |
Everything comes with _____ price; there is no such ____ thing as a free lunch in the world.
| A．a; a | B．the ; / | C．the ; a | D．a ; / |
Due to the unreasonable individual income _______, the gap between the rich and poor has become an outstanding issue.
| A．contribution | B．association |
| C．accommodation | D．distribution |
_____ wealthy people with the business tax instead of the individual income tax weakens government efforts _____ the wealth gap.
| A．Taxing, closing | B．Taxing, to close |
| C．Tax, to close | D．Having taxed, closing |
More praise to yourself,____ you’ll build up confidence throughout the difficult times.
| A．but | B．and | C．or | D．however |