A model or an experiment in a science class can help students see things which would ______ remain hidden.
| A．otherwise | B．still | C．thus | D．therefore |
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 |
It’s time that you __________ the whole book.
| A．must go over | B．can go over | C．went over | D．have gone over |
The of the book makes it suitable for children.The man is considering the question as .
| A．simplicity;simplifier | B．simplicity;simplism |
| C．simplifier;simplism | D．simplism;simplifier |