People have realized this and ___________ alternative sources of energy.
A、have come up with
B、have come across
C、came up with
D、came across
A、have come up with
B、have come across
C、came up with
D、came across
A、… the hutong benefited from the campaign to host the 2008 Games.
B、… the hutong felt great honor in hosting the Olymic Games.
C、无
D、无
These programs are ofimmensevalue to old people.
A. natural
B. fatal
C. tiny
D. enormous
A、mobile payment
B、credit card payment
C、Internet
D、network
A、assess
B、hijack
C、rob
D、kidnap
A、a
B、the
C、an
D、/
A、remained
B、remains
C、remaining
D、remain
A、the, the
B、a, the
C、/ a,
D、the, an
A、will
B、shall
C、should
D、would
A、will have to
B、would have to
C、have to
D、had to
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