Every means ______ tried but without any result.
#104352
A
have been
B
is to be
C
are to be
D
has been
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Tom as well as his friends ____ to visit our school soon after they arrive in Changsha.
#103277
A
is coming
B
are coming
C
will have come
D
has come
With the help of high technology, more and more new substances ___in the past few years.
#101737
A
discovered
B
have discovered
C
had been discovered
D
have been discovered
The CCTV Spring Festival Gala Evening _______ annually since 1983.
#102487
A
was run
B
is running
C
had been run
D
has been running
You are always making noises! Why must you be so annoying while the latest sports news ____ on the radio!
#100531
A
is broadcast
B
was broadcast
C
has been broadcast
D
is being broadcast