61. 61. When my mother is busy preparing dinner , my father often gives a hand _tidying the living room

• A. on

• B. with

• C. for

• D. about

62. 62. I put your keys in the drawer_they cannot get lost

• A. because

• B. let alone

• C. instead of

• D. so that

63. 63. Alex is busy _for his exams

• A. to study

• B. studied

• C. studying

• D. studies

64. 64. She is never willing _any personal question

• A. answer

• B. to answer

• C. answering

• D. answered

64. 65. _a doctor , you have to meet some certain requirement of the medical college

• A. to become

• B. become

• C. becoming

• D. became

66. 66. Sam_to change a light bulb when he_and_

• A. was trying/slipped/fell

• B. tried/was sleeping/falling

• C. had been trying/slipped/ was falling

• D. has tried/slips/falls

67. 67. Everyday I _up at 6 o clock,_breafast at 7 o clock and _for work at 8 o clock

• A. get/eat/leave

• B. have got/eating/leaving

• C. got/ate/left

• D. will get/have eaten/left

68. 68. Yesterday I_for work late because I _to set my alarm

• A. had left/forgot

• B. Was leaving / was forgeting

• C. left/had forgot

• D. get/will wait

69. 69. By the time we to the train station , Susan_for us for more than two hours

• A. will get/has been waiting

• B. got/was waiting

• C. got/had been waiting

• D. get/will wait

70. 70. My mother is alway the first up and the last_to bed

• A. am working/will retire

• B. am going to work/am retiring

• C. work/am going to retire

• D. have been working/retire