Both Jack and Ben had served in the army.
举一反三
- Both Jack and Ben were suffering from serious lung trouble.
- —Does Liu Hui serve in the army? —No, but he ________ in the army for three years A: served B: has served C: is serving D: would serve
- -Does Liu Hui serve in the army? A: would serve B: has served C: is serving D: served
- By the end of the year 2004, he ______ in the army for 40 years. A: will have served B: will serve C: will be serving D: will be served
- He for three years. A: has joined B: has been in the army C: joined D: has served the army