Unit 5: Challenges

Words in this game

• physical challengeClimbing a high mountain is a physical challenge.
• mental challengeSolving a hard puzzle is a mental challenge.
• improvementI can see an improvement in your English.
• convinceI tried to convince my friend to join us.
• protectWe must protect the animals in our forests.
• discoverScientists discover new animals in the sea.
• pondThere are small fish in the pond.
• homestayWe stayed in a homestay with a kind family.
• dinghyThey sailed a small dinghy across the lake.
• heronA heron stood still in the water.
• nocturnalOwls are nocturnal, so they hunt at night.
• give upDon't give up when the task is difficult.

Questions

1. The test was hard, but Lan didn't give up. She kept ___ studying.

   • at
   • in
   • on
   • to
   Show answer

   on

2. I'm ___ tired to walk any further.

   • enough
   • so many
   • too
   • very much
   Show answer

   too

3. Tom is strong ___ to climb the mountain.

   • enough
   • much
   • too
   • very
   Show answer

   enough

4. We ran ___ water during the long hike, so we stopped at a shop.

   • away with
   • off from
   • out of
   • up to
   Show answer

   out of

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