If you sleep less than 7 hours a day, you are more to catch a cold.
A.possible | B.certainly | C.probable | D.likely |
When McKie brings friends or volunteers to the area where she works, most of ________ spend the first day sobbing.
A.them | B.whom | C.that | D.which |
_______ in the 1800s and first mass-produced in Germany, the harmonica(口琴) was designed to play simple folk tunes.
A.Being invented | B.Inventing | C.Invented | D.Having invented |
The old scientist has been invited to a party ________ next Monday evening.
A.holding | B.hold | C.being held | D.to be held |
As soon as she entered the room, the girl caught sight of the flowers ________ by her mother.
A.buying | B.being bought | C.were bought | D.bought |
________ he had won the first prize, he felt very happy.
A.Know | B.Known | C.Knowing | D.Being known |