Don’t call him at this time tomorrow, because he ________ a meeting with his teachers.
| A．is having | B．is going to have | C．will be having | D．has been having |
287. The clear colorless liquid that falls as rain, fills lake and rivers, and is necessary for life to exist is______.
| A．oxygen | B．petrol | C．water | D．Flood |
286. In 1920 Poland and Russia were still at _______and they mustn’t trade in agricultural products with each other.
| A．battle | B．campaign | C．struggle | D．War |
285. In the hotel semi-skilled workers include chambermaids (客房女服务员) and______ or waitress, who must have training for their particular duties.
| A．assistants | B．waiters | C．guards | D．Cooks |
284. The officers led their men to _______ in battle, so all the villagers came out to award them with food and drink on both sides of the road.
| A．victory | B．a triumph | C．failure | D．Defeat |
283. The house was sold for 60,000 dollars, which was far more than its real _______ .
| A．cost | B．value | C．price | D．Worth |