Milk quickly goes bad in summer it is in a fridge(冰箱).
| A．if | B．because | C．unless | D．when |
You can easily find a taxi here .The transportation in our city is very_______ .
A. convenient B. cheap C. crowed
— Do you know _______?
— He is a dentist.
A. where he is from
B. what does he do
C. what his father is
The workers built a new railroad ________the two cities.
A. duringB. as C. between
— What do you like most about Halloween?
— I think it’s fun to dress up _______ cartoon characters!
A. for B. as C. Of
With the help of the doctor, the boy ________ a healthy child.
A. came out B. ended up C. put on