306.　 It’s_______(一定) that the price of meat and eggs will go up.

305.　 Lei Feng set a good________(榜样) to us and we should learn from him.

304.　 Those who are_______(缺席) this morning will have to go to the headmaster’s office.

303.　 “How often does he write to his parents?” “Oh,______(经常)。”

302.　 　Suez Canal______(分开)Asia from Africa.

301.　 Water falls on the earth in the______(形式)of snow in winter.

300.　 .The Chinese do not _____(崇拜)God so much as the Westerners do 。

299.　 His spoken English is ___________(吃惊)wonderful.

298.　 I can't wait so you had better give me an ________(立刻)reply.

297.　 Try and try until you ____________(成功).