1. It may be necessary to stop__________________________(每隔...時(shí)間) in the learning process and go back to the difficult points in the lessons.
2. The mad man was put in the soft-padded cell lest he ______________(傷害自己).
3.Jean did not have time to go to the concert last night because she was_______________(忙著準(zhǔn)備) her examination.
4. The ship's generator broke down and the pumps____________________(不得不用手工操作) instead of mechanically.
5. Why didn't you tell me you could me the money? I___________________________ (本來(lái)不必從銀行借錢的) 221
參考答案：
1. at intervals
2. injure himself
3. busy preparing for
4. had to be operated manually
5. needn't have borrowed it from the bank.
2. The mad man was put in the soft-padded cell lest he ______________(傷害自己).
3.Jean did not have time to go to the concert last night because she was_______________(忙著準(zhǔn)備) her examination.
4. The ship's generator broke down and the pumps____________________(不得不用手工操作) instead of mechanically.
5. Why didn't you tell me you could me the money? I___________________________ (本來(lái)不必從銀行借錢的) 221
參考答案：
1. at intervals
2. injure himself
3. busy preparing for
4. had to be operated manually
5. needn't have borrowed it from the bank.