-- What _____ exciting experience to jump down from _____ bridge of 50 meters high!
-- Oh, I can never imagine that. Bungee jumping is too dangerous, I think.
| A．/ ; a | B．an ; the | C．/ ; the | D．an ; a |
—I need some fresh air, so I am going out for a walk.
—________.
| A．You'd better not | B．Have fun |
| C．With pleasure | D．I sure am |
—Don't you know that a proper amount of exercise a day will ________ to a person's health?
—No wonder so many senior citizens do exercise in the square.
| A．construct | B．conclude |
| C．distribute | D．contribute |
The home ________ the lion is Africa while the koala bear is native ________Australia.
| A．of；of | B．to；to |
| C．of；to | D．to；of |
You can't see anything clearly through a telescope unless it ________ correctly to
your sight.
| A．adjusts | B．is adapting |
| C．adapts | D．is adjusted |
The special medicine for the disease was difficult to find though ________
everywhere.
| A．sought | B．having sought |
| C．being sought | D．having been sought |