38. There is a dog over there. Look, out______. Be careful!
| A．it was running | B．runs it | C．it runs | D．ran it |
When one makes new friends, don’t forget ______ old ones.
| A．to come up with | B．losing sight of |
| C．to keep track of | D．keeping in touch with |
Mr. Smith has not yet told me ______ I can go with him to ______ he calls the Underground Treasure House next week.
| A．that, where | B．what, where | C．whether, that | D．whether, what |
— I’m really glad to see you back.. ______ your trip to the valley interesting?
— No. it ______ very heavily there the whole time.
| A．Was; was raining | B．Is; had rained |
| C．Was; was to rain | D．Is; has been raining |
Look over there-there’s a very long, winding path ______ up to the hill.
| A．leads | B．led | C．leading | D．to lead |
It was only quite recently, however, ______ I began to understand how much my parents love me.
| A．when | B．that | C．before | D．after |