What really worries us is ______ the explorers can accurately locate themselves with the device in case of bad weather.
A. that B. where C. what D. whether
— It rained heavily yesterday. Did you get wet ?
— Quite lucky, ______ got on the train when it poured down.
A. no sooner had I B. I have no sooner C. hardly had I D. scarcely I had
A newly designed skyscraper is being set up ______ the World Trade Center used to stood.
A. where B. at which C. that D. which
In the third and fourth columns of your monthly budget, list ______ you expect to spend your money on and the amount.
A. what B. how much C. how D. which
______ bears’ number has increased, their conflicts with local people have increased too.
A. If B. With C. As D. While
Having mastered the technologies of manned spacecraft, China became the third country in the world ______ manned spaceflight independently.
A. develop B. to develop C. developing D. developed