男性主要的生殖器官是（  ）

用所给动词的正确形式填空。
①My parents want me____ (stay) at home every night because it’s dangerous ou tside.
②—You look so sad today.     —I____ (argue) with my girlfriend last night.
③Lucy, what should I do? I need some money ____  (buy) some presents for my best friend.
④—I found it difficult ____ (get) to sleep in the night.
—You’d better____  (take) some sleeping pills.
⑤Lily is 1.7 meters tall. She is tall enough ____  (reach) the apples on the tree.
⑥Don’t ____ (compare) others with yourself, just ____  (work) hard.
⑦She has to____ (go) to see the doctor.