—How dangerous it was!
—Yes, but for the passerby's quick action, the girl ________.
A．was drowned B．could have been drowned
C．had drowned D．should be drowned
Martin hasn't got in touch with me for ages. He ________ my new cell phone number.
A．can't get B．mustn't get
C．can't have got D．shouldn't have got
According to the rules and regulations, all payments ________ be made in cash in the shopping center.
A．shall B．can
C．must D．should
—Show me your permit, please.
—Oh, it's not in my pocket. It ________.
A．must have fallen out B．might fall out
C．could fall out D．should have fallen out
People love the convenience of bottled water, but if they ________ the problem it causes, they ________ try carrying water in a reusable steel container instead of plastic.
A．realized; will B．had realized; will
C．realized; would D．have realized; would
If you want somebody to go window shopping with you, why not try calling Marie? —she ________ be home by now.
A．shall B．should
C．will D．would
