[A] threatened [B] rejected [C] restricted [D] troubled

Amanda

As regards putting an end to people's littering in the forest, the writer feels_________ .

[A] confused

[B] doubtful

[C] worried

[D] hopeful

We can learn that, while visiting the Thi-Lor-Su waterfall, visitors_________

[A] are rewarded for taking garbage away

[B] are forbidden to take packaged food and drinks

[C] are punished heavily if they throw garbage carelessly

[D] are prevented from taking a vehicle even if they are tired

[A] What

[B] As

[C] Since

[D] So

[A] Another

[B] One other

[C] Other

[D] Other one

[A] demands

[B] tides

[C] changes

[D] issues

[A] registers

[B] pays

[C] seeks

[D] asks

[A] reach

[B] touch

[C] know

[D] show

[A] reduce

[B] reform

[C] remove

[D] retain

[ A ] recently

[ B ] frequently

[ C ] realistically

[ D ] immediately