( ) ---Good morning, Mike ---_____________.
A. Good evening. B. Good morning. C. Good afternoon.
找出下列不同类的单词，将其编号写在前面的括号里。
( )（1） A. dog B. cute C. panda
( )（2） A. you B. our C. her
( )（3） A. thirteen B. eleven C. first
( )（4） A. banana B. grape C. cool
( )（5） A. have B. swim C. jump
( ) -- What can I do for you, madam?
-- I'd like two ______.
| A．bottle of milk | B．bottles of milks | C．bottles of milk | D．bottle of milks |
( ) -- Hi, Mike. Can you help me?
-- OK. ________.
| A．You'll help me | B．I'm going | C．I'm coming | D．I'm leaving |
( )Even the top students in our class can't work out this problem. So it _____ be very difficult.
| A．may | B．must | C．can | D．need |