单选题 Th sav(　　)

单选题 These companies are sure to encounter financial trouble if they only rely on advertising ___(　　)____ for their funds.

单选题 His father arrive limitation

单选题 I spent th reasonin(　　)

单选题 A new idea suddenly came to him, but the __(　　)___ of it made him laugh.

单选题 The course is designed to help students ___(　　)____ their knowledge of modern American literature.

单选题 It is of vital importance for parents to provide ____(　　)___ supervision for their children.

单选题 She is by no __(　　)_____ an inexperienced teacher, but there is still room for improvement in her teaching.