Time_____,thecelebrationwillbeheldasscheduled.
A、permit
B、permitting
C、permitted
D、permits
Toobtainasatisfactoryresult，onemustapplytwo____ofpaintonacleansurface.
A、coats
B、levels
C、times
D、courses
Whiledoingcalculationfortheproject,thedesigners____anewsolutiontoageologicalproblem.
A、fellinto
B、stumbledupon
C、setout
D、discovered
Paragraphs2and3explain________.
A、thosegoodthingsarenotwithoutsideeffects
B、whycleveradvertisingissopowerful
C、whyinmoderntimesself-medicationisstillpractised
D、whypeopledevelopfaultywaysoflife
Sheaskedthatshe_____allowedtoseehersoninpolicecustody.
A、wouldbe
B、couldbe
C、be
D、was