E-mail, as well as the telephone, _____an important part in daily communication.
#85607
A
is playing
B
have played
C
are playing
D
play
推荐题目
The number of children who___________ both parents to Aids ________ also expected to rise, reaching more than 26 million in 2010.
#85626
A
has lost; is
B
have lost; are
C
has lost; are
D
have lost; is
Collecting stamps as a hobby___________ increasingly popular during the past fifty years.
#86319
A
becomes
B
became
C
has become
D
had become
