Although the peak travel time for Chinese railway doesn't start until Jan 19 this year, people who're eager to get a seat on the train _______ already _______ their struggles.
A．are; starting B．has; started C．have; started D．are; started
Whale beachings（搁浅）_______ be caused by factors such as illness, or disorientation（迷失方向）caused by extra noise in the oceans, ______ shipping or oil and gas drilling.
A．might; from B．will; by C．should; in D．shall; on
Though measures have now been taken to prevent further price hikes, many people remain _______ over the rising cost of food.
A．be concerning B．concerns C．concern D．concerned
—The singer together with her band _______ invited to the concert. Did you enjoy that party?
—No, no sooner _______ than they sang their top hit Oh My Baby.
A．was; I had left B．were; I have gone C．was; had I left D．were; did I leave
Living in the dormitory means _______ to take care of yourself, understand each others' differences and share_______ interests.
A．to learn, common. B．learning, ordinary
C．to learn; ordinary D．learning; common
With consumers searching _______ ways to cut daily expenses, officials from the National Bureau of Statistics' economic monitoring center say there's no need _______.
A．of; in panic B．to; panic C．for; to panic D．in; panicked
