Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
a. They (not have) a radio.
b. They (listen) to birds.
c. They (not listen) to the radio.
d. They (sit) on the ground.
e. They (sleep) in a cave.
f. They (not sleep) in bed.
g. They (not live) in houses.
h. They (live) in caves.
i. They (not watch) TV.
j. They (watch) pictures on walls of their cave.
k. They (not buy) clothes.
l. They (drink) fresh water.
m. They (not drink) cola.
n. They (eat) with fingers.
o. They (not eat) with spoons.