Over the past decades, the sea ice ______ in the Arctic as a result of global warming.
| A．had decreased |
| B．decreased |
| C．has been decreasing |
| D．is decreasing |
In winter, the weather of Moscow is ______ colder than _______of Beijing.
| A．more; that | B．much; that | C．even; it | D．much; it |
He was really _____to find that John’s joke was so______.
| A．surprising; amused. | B．surprised; amusing |
| C．surprising; amusing | D．surprised; amused |
Xiao Shenyang ______ the audience with his performance and humorous words.
| A．caused | B．impressed | C．aided | D．preferred |
—What’s the noise outside?
—The kids ______ in the garden.
| A．have played games | B．play games |
| C．are playing games | D．are played games |
—I studied in the United States for 3 years.
—_______.
| A．So I did. | B．So was I. | C．So did I. | D．So do I. |