1 . ___________ (absorb) in the experiment, the professor didn’t realize it was already past midnight. (所给词的适当形式填空)

2 . __________(absorb) in writing a poem, the poet didn’t realize night was approaching. (所给词的适当形式填空)

3 . People experiencing scarcity make reasonable decisions __________ (base) on their conditions. (所给词的适当形式填空)

4 . People are wondering whether the new film is __________ (release) in April. (所给词的适当形式填空)

5 . He was upset that the valuable watch ______ (belong) to him was lost yesterday. (用所给词的适当形式填空)

6 . 阅读下列短文，根据短文内容或括号内所给词的恰当形式填空。

When Lin Qiaozhi was only five, her mother died suddenly,     1     deeply affected her. At 18, she chose to study medicine rather than go into     2     (marry) like the majority of girls at that time. When her brother complained     3     (angry), Lin responded, “I’d rather stay single to study all my life!”

At 26, Lin graduated from Peking Union Medical College with the highest prize given to graduates. She immediately became the first woman ever     4     (hire) as a resident physician in the OB­GYN department of the PUMC Hospital.     5     (work) for a few years, Lin was sent to study in Europe and then, in 1939, in the US. Her American colleagues,     6     were greatly impressed by her, invited her to stay, but she rejected the offer and returned to China.

In 1941, Dr Lin became the first Chinese woman ever to be appointed director of the OB­GYN department of the PUMC Hospital. However, because of the war, the department was closed. Dr Lin started a private clinic and continued to treat patients. When the new People’s Republic of China     7     (found), Dr Lin was busy tending patients, publishing     8     (medicine) research and training staff.

Although Dr Lin never married, she was known     9     the “mother of ten thousand babies”. She didn’t retire from her position     10     the day she died, 22 April 1983.

7 . Much is being ________(do) to protect wildlife, but if we really want to save the planet, we must change our way of life. (所给词的适当形式填空)

8 . The professor warned the students that on no ______ (accountant) should they use mobile phones in his class. (所给词的适当形式填空)

9 . Whoever is accused ____ a crime should be regarded as innocent until proven otherwise. (用适当的词填空)