A. flat B. lake C. faulty D. cosmology A. friendly B. dweller C. sensation D. good idea A. skip B. ballast C. park D. employer A. whether B. sympathy C. pop singer D. flower A. mud B. in class C. pocket money D. drawing A. imagine B. boat C. gifted D. tricycle A. one-to-one B. in the flesh C. progress D. them A. cabbage B. ministry C. difficult D. give birth to A. activity book B. call out C. cut the cake D. try A. hill B. join in C. baleen whale D. harpoon