When a student asks it is worth staying up doing their lessons, a teacher may find it difficult to answer.
A. that B. what C. whether D. how
from Adelaide to Darwin and you’ll observe some of Australia’s most beautiful landscapes.
A. Traveling B. To travel C. Traveled D. Travel
It is in the year of 2010 a severe drought hits Yunnan province.
A. until B. that C. before D. when
Mr. Li arrived at the Wuguang train station twenty minutes ago, but the train to Guangzhou yet.
A. hadn’t come B. won’t come C. hasn’t come D. didn’t come
To pass the driving test, Alice had a busy month driving the car.
A. to practise B. practising C. practised D. practice
How can they expect to learn anything they never listen?
A. when B. until C. unless D. though
