He does not know ______ they will plant trees on Saturday or not.
| A． if | B．how | C．whether | D．why |
Which city has _____ population, Dongying, Shanghai or Jinan?
| A．the biggest | B．the largest | C．the most | D．the fewest |
-----Don’t worry. My mother will look after your baby .
-----Thanks a lot.
| A．careful enough | B．enough careful |
| C．carefully enough | D．enough carefully |
Ann, _____ the lights when you leave the classroom.
| A．turn on | B．turns on | C．turns off | D．turn off |
He decides ________ to New York city next summer vacation.
| A．to go | B．going | C．go | D．is going |
You can buy clothes _______ in Mary’s Store.
| A．the cheapest | B．the most cheaply | C．the most cheap | D．the cheapliest |