We hope that such a book ________ is helpful to our research work is on sale. A) that C) which B) as D) till 62. While I ________ down the street, I noticed a police car over there. A) walked C) would walk B) had walked D) was walking 63. I hoped that the book was as ________ as the one you lent me. A) good C) better B) well D) best 64. Children are encouraged to _____ feelings of sadness that they may be holding inside. A) say C) indicate B) express D) demonstrate 65. The teacher told the class to ______their exercises while he was out of the classroom. A) go on with C) look out of B) live up to D) take part in 66. If you carefully think it ______ again, you will find a way out. A) about C) along B) up D) over 67. The police ________ for the thief in the region at the moment. A) are running C) are reaching B) are searching D) are charging 68. She is so kind that all of us like to make friends ______ her. A) of C) with B) by D) to 69. He ______ the news from the radio. You needn ’ t go to tell him. A) learns C) will be learning B) had learnt D) must have learnt 70. We have four typewriters in our office, but ________ of them are in good order. A) none C) neither B) not D) no