Henry had just given himself for lost ______ he was spotted by a ship.
A．when B．while C．as D．after
—Could I use your bike?
—Yes, surely you ______.
A．might B．will C．can D．should
He couldn’t ______ the fact that the money was found in his house.
A．answer for B．leave for C．account for D．care for
Many scientists believe that the universe began with an enormous explosion called the “Big Bang”, ______ happened about 13.7 billion years ago.
A．that B．which C．when D．what
—Don’t forget to visit me when you come to Beijing.
—______.
A．I don’t B．I won’t C．I can’t D．I haven’t
—Your mother becomes more and more forgetful.
—Yes. She searched for her cellphone for a whole day last Sunday but it ______ in her coat pocket the next day.
A．turned out B．turned on C．turned over D．turned up
