There are over 58,000 rocky objects in ______space, about 900 of which could fall down onto______ earth.
A.the ; the | B.the ; / | C./ ; the | D.a ; the |
She tried hard to keep calm in face of the students, but the sweat on her forehead _____ her ____.
A.gave; away | B.tuned; down | C.showed; out | D.shut; off |
After retirement, Mr. Smith ______ painting, which he had always loved but had not had time for.
A.took up | B.got up | C.help up | D.looked up |
You’d better ______ some hot water into the bottle in case the teacools down.
A.add | B.fill | C.fill in | D.put |
Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.
A.improved upon | B.take down | C.put up | D.break away |
Dressed untidily and speaking in a strange way, Father must have ______ to the people present to be a silly old man.
A.appeared | B.pretended | C.shown | D.thought |