—Does Li Ping serve in the army?
—No, but he ________ in the army for five years.
| A．served | B．has served |
| C．is serving | D．would serve |
He absorbed himself so entirely to his research that ____he made himself ill.
| A．unfortunately | B．purposefully | C．hopefully | D．eventually |
The 15.30 train to Sheffield has been called off_____situations beyond our control.
| A．in terms of | B．due to | C．according to | D．in spite of |
—Would you stay a bit longer? It’s been such _____fun having you.
—Thanks for saying so. I’ve made_____early start on my journey tomorrow morning.
| A．不填；the | B．a；an | C．不填；an | D．the；an |
The success of her business made _______tough to carry out her role as wife and mother.
| A．that | B．this | C．it | D．her |
—I hear there was an air crash in the USA this morning.
—Yes, ____plane hit an iceberg and _____driver was killed.
A. a；a B. the；a C. the；the D a；the