第1题:
They are free.
They are charged.
They are expensive:
They are cheap.
第2题:
第3题:
bosses are hard to deal with
bosses have good character
bosses determine your career future
bosses must have similar personality
第4题:
第5题:
第6题:
a ruined meal
undercooked food
too little pressure
a blocked vent pipe
第7题:
第8题:
第9题:
史密斯先生推迟了旅行,因为发生了一件大家都十分关注的突发事件。
史密斯先生取消了旅行,因为发生了一件紧急的事情需要他立即处理。
史密斯先生取消了旅行,因为有一种棘手的事情需要他予以密切关注。
第10题:
they can easily be avoided
old people seldom fall in bathrooms
grab bars do not help to prevent falls
bathroom accidents are difficult to prevent