—Can I take a week’s holiday, sir?— ;we are too busy at present.
----Does Liu Hua serve in the army?----No,but he__________in the army for three years.
The boss praised the young man for his hard work, though he ____ experience.
._____ in thought , he almost ran into the car in front of him .
I'll have you ______ English in six months .
I posted the letter some time _____ the week .