--She looks very happy．She ________have passed the exam．
--I guess so．It’s not difficult after all．
A．should B．must C．could D．might
Progress _________ so far very good and he is sure that his new book will be finished on time．
A．was B．had been C．has been D．will be
_______ the meeting himself gave them a great deal of encouragement．
A．The president will attend B．The president to attend
C．The president attended D．The president's attending
Of the two boys, the one reading a book is ___________．
A．the tallest B．tall C．the taller D．taller
Some cars are equipped with GPS for people easily to find the _________ of their destination．
A．location B．place C．area D．position
Though ________ money, his parents managed to send him to university．
A．lack B．lacking of
C．lacked D．lacking
