问题：
[单选,材料题] 请在第_____处填上正确答案。
请在第_____处填上正确答案。
问题：
[单选] He noticed that Joan was studying him closely, but her expression gave away nothing of what s
He noticed that Joan was studying him closely, but her expression gave away nothing of what she was thinking.
问题：
[单选,材料题] The forty years from the 1930s to the 1970s was an important period
The forty years from the 1930s to the 1970s was an important period
问题：
[单选,材料题] Air transport companies use different planes__________.
Air transport companies use different planes__________.
问题：
[单选] I tried very hard to persuade him to join our groups but I met with flat refusal.
I tried very hard to persuade him to join our groups but I met with flat refusal.
问题：
[单选] He failed to carry out some of the provisions of the contract, and now he has to take charge o
He failed to carry out some of the provisions of the contract, and now he has to take charge of the consequences.
问题：
[单选] The legislative provision has a great impact on the operations of the department.
The legislative provision has a great impact on the operations of the department.
问题：
[单选] She was one of the leading writers in her age.
She was one of the leading writers in her age.
问题：
[单选] The moon was obscured by thick clouds.
The moon was obscured by thick clouds.
问题：
[单选] She can speak French and German，let alone English.
She can speak French and German，let alone English.
