选出划线部分单词的汉语意思。I have a robot.A.玩具 B.机器人 C.兔子
-- What can I do for you, madam?-- I'd like two ______.
-- Hi, Mike. Can you help me?-- OK. ________.
Even the top students in our class can't work out this problem. So it _____ be very difficult.
This machine is very easy to use.______ can learn to use it in a very short time.
One of his friends ______ his daughter sometimes.