39．–Is it the_______bad smell that is difficult?
-Of course．
| A．how getting rid of | B．got rid of | C．to get rid of | D．being got rid of |
As city boy accustomed to the concrete building, streams of vehicles and skies of smog, I found farm life “eye-opening” experience.
| A．the; a | B．the; an |
| C．a; the | D．a; an |
---How do you like the lecture by Mr. Lee?
---____________.
| A．By accident | B．Very boring |
| C．In the conference hall | D．By bicycle |
The drill in Antarctica dragged on slowly because of lack of money, equipment breakdowns, environmental_________ and severe cold.
| A．concerns | B．assumption |
| C．occupations | D．ignorance |
. ---Where did the couple find their child?
---It was in the park_________ the family used to camp.
| A．that | B．where | C．which | D．when |
He stayed up too late every night, _____ to catch up with his classmates.
| A．having determined | B．being determined |
| C．determined | D．to determine |