Karen couldn’t________ her mind whether to apply for membership or not.
18.An explosion in a coal mine in Heilongjiang on Nov. 21, 2009______at least 106 workers dead.
17.—Hi, Nancy, I didn't know you had come back. So have you graduated from college? —Yes. I______French for 5 years in Nanjing.
16.-What about going abroad? -Great, but I never expected______a chance for me before.
15.The population of China_______to many times what it was in 1949, and most of its population farmers.
14.Panda Mei Lan returned to China yesterday. She_____in US since she was born.