123.To his surprise, his speech at the meeting ________ the students silent.
The price of oil is increasing so rapidly.Indeed ! The oil prices____by 10 and 20 percent so far.
Interestingly, the pet dog has been____to carry newspapers for its master.
She went to American two years ago .She ____there for half a year and then went to Japan.
China’s economy expanded 8.1 percent in the first quarter from a year earlier,___the slowest pace in almost three years.
So diffcult____it to fit in at school that she decided to drop out.