( )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 |
相关试题
听音，选择正确的答语。(8分)
( )（1）A.Yes，there are.
B．No，there isn't.
C．Yes，there is.
( )（2）A.He can set the table.
B．He can cook the meals.
C．He can do the dishes.
( )（3）A.It's near the bed
B．It's behind the door.
C．It's under the desk.
( )（4）A.It's Monday.
B．It's Tuesday.
C．It's Sunday.
B.
B.
B.
B.
B.
粤公网安备 44130202000953号