The first man swim across the river will receive a prize.
The first man swim across the river will receive a prize.
谓语
Now the air pollution in this city _____ more and more serious with each passing day.
Now the air pollution in this city \_\_\_\__ more and more serious with each passing day.
Little Tom is an orphan(孤儿). _____, he has to make a living by himself.
Little Tom is an orphan(孤儿). \_\_\_\__, he has to make a living by himself.
This is the dictionary you’re looking for, _____?
This is the dictionary you’re looking for, \_\_\_\__?
Since the new technology was introduced last month, we _____ in speeding up production.
Since the new technology was introduced last month, we \_\_\_\__ in speeding up production.
Large quantities of water _____ needed for cooling purposes.
Large quantities of water \_\_\_\__ needed for cooling purposes.