- I’m going to the market to buy some __________ for the picnic.
- A. fruits
- B. vegetables
- C. both
- D. none
答案：C. both
解析：为了准备野餐，我们需要购买水果和蔬菜，所以应该选择“both”，表示两者都要。
- She __________ her car keys and now she can’t find them anywhere.
- A. lost
- B. has lost
- C. is losing
- D. will lose
答案：B. has lost
解析：这里描述的是过去发生的事情，对现在有影响，所以使用现在完成时态“has lost”。
- If you __________ your homework, you won’t have time to play video games.
- A. finish
- B. finished
- C. are finishing
- D. will finish
答案：A. finish
解析：这是一个条件句，通常使用一般现在时来表示将来可能发生的事情，所以这里应该用“finish”。
- The teacher asked us to write a report about __________ in our country.
- A. history
- B. the history
- C. histories
- D. a history
答案：A. history
解析：“history”在这里作为不可数名词使用，指的是一个国家的历史，所以不需要加定冠词“the”或复数形式。
- He __________ to the library every day after school.
- A. goes
- B. went
- C. is going
- D. will go
答案：A. goes
解析：这里描述的是一个经常性的动作，所以使用一般现在时“goes”。