More and more Chinese people follow the practice ______ they will travel to various scenic spots to enjoy the scenery in their leisure time.
A.whether B.which C.where D.that
Do you know ______________ had reported the accident to the police?
A.who it was that B.who was it that C.it was who that D.that it was who
Passengers on board aren’t allowed _____ calls during take-off.
A.making or receiving B.having made or received
C.to have made or received D.to make or receive
During the 1960s, songs about winter ___________ by many famous rock groups were popular among people of different ages.
A.released B.being released
C.releasing D.having been released
__________ in the fields on a March afternoon, he could feel the warmth of spring.
A.To walk B.Walking C.Walked D.Having walked
The Spring Festival is our traditional festival, __________ people usually visit their friends and relatives.
A.for which B.to which C.during which D.about which