enter可用作不及物動詞，也可用作及物動詞。用作及物動詞時接名詞或代詞作賓語，也可接以“(as+) n. ”充當補足語的復合賓語。
enter可用作系動詞，接形容詞作表語。
例句：
Many people think that party politics should not enter into local government.
許多人都認為，地方政府內不應拉幫結派。
Several new firms have now entered the market.
有幾家新公司已打入市場。
You may not enter the security area without authorization.
未經批準不得進入警戒地區。
The program will prompt you to enter data where required.
這個程序在必要時將提醒你輸入數據。
How many students have been entered for the exam?
有多少學生報名參加考試？
Press the return key to enter the information.
按回車鍵錄入信息。