词汇练习第一题答案
1. attend
2. suit
3. receive
4. express
5. prevent
词汇练习第二题答案
1. swimming
2. medical
3. circles
4. noisy
5. windy
6. owner
7. valuable
8. expressed
词汇练习第三题答案
1. medical
2. accidents
3. leaders
4. attending
5. noise
6. sleepy
7. Valuable
8. Energy
语法练习第一题答案
1. can't
2. must
3. might/must
4. must
5. can't
语法练习第二题答案
The plate must belong to Grandma because she brought her chocolate cookies on a plate.
The radio could be Mr. Brown's or Grandpa's because they were both listening to the football game.
The doll must be Lily's because she played with Emily and that must be the doll's name.
The keys must belong to Mr. Brown because he was looking for them in his pockets.