（1）I ________ his letter ________（把……撕成碎片）before he could get in a word.
（2）They will ________（拆毁）these old buildings to make room for the new highway.
（3）I suggest that you ________（撕毁）the composition and start over again.
（4）He doubled over the sheet of paper and ________ it ________（撕成两半儿）.