The tower of london by william the conqueror. a. was built b. is built c. has been built d. built _ sky is blue in summer and grey in winter. a. the b. an c. - d. a he the test from 2 till 3. a. was writing b. is writing c. writed d.wrote what subjects you good at? a. did b. does c. do d. are he he will pass his exams soon. a. hope b. hoped c. is hoping d. hopes