When Marx was in London, he _______ read at the library for hours.
| A．would | B．might | C．could | D．should |
There was a __________look on her face because a________ problem _________the little girl.
| A．puzzled; puzzled; puzzled | B．puzzling; puzzling; puzzled |
| C．puzzled; puzzling; puzzled | D．puzzling; puzzled; puzzling |
His first concert was well ____ and so all the tickets of his second one were sold out quickly.
| A．believed | B．received | C．agreed | D．admitted |
The experts advise _______ our army _______ modern weapons.
| A．to equip; with | B．equipping; with | C．to equip; for | D．equipping; for |
This dictionary is at least three times as thick as you borrowed from the library.
| A．one | B．that | C．it | D．those |
He _______ have completed his work；otherwise, he wouldn’t be enjoying himself by the seaside.
| A．should | B．must | C．wouldn’t | D．can’t |