【正文】
blem. It’s too hard _______. — You can ask Mr. Wang for help. A. which to do B. when to do C. what to do D. how to do 3. It’s bad for your eyes _______ puter games too much. A. plays B. to play C. play D. playing 4. Lucy wants _______ a new pen. A. to buy B. buy C. buying D. buys 5.— We can use to talk with each other on line. — Good! Will you please show me _______ it? A. what to use B. how to use C. when to use D. where to use 6. My watch is broken. I want to know how to make it ______. A. work B. to work C. walk D. to walk 7. Mother asks me _____ puter games before finishing my homework. A. not play B. to play C. not to play D. to not play 8. If everyone makes a contribution _____ the environment, our country will bee more beautiful. A. to protect B. in protecting C. to protecting D. for protecting Ⅱ . 完成下列句子 1. 記得不要把這個(gè)秘密告訴他。 She likes singing, but she ______ _____ _____sing today because she isn’t fortable. 3. 他停下來(lái)做功課。 She hopes _____ _____ a job soon. 5. 這些花需要淋水。 ( )