You'd better _______ your score and see if you have passed the exam.
| A．add up | B．add to |
| C．add up to | D．add |
—I left my handbag on the train, but luckily someone gave it to a railway official.
—How unbelievable to get it back! I mean, someone ______ it.
| A．will have stolen | B．might have stolen | C．should have stolen | D．must have stolen |
Mother ______ him not to smoke, but he wouldn’t listen.
| A．persuaded | B．suggested | C．advised | D．hoped |
______ more and more trees cut down, many animals and insects are dying out.
| A．Because | B．With | C．As | D．Since |
Could it be in the place ______ we visited yesterday ______ you left your book?
| A．that; which | B．in which; where | C．where; that | D．that; that |
Although the number of competitors ___ limited, a number of our classmates ___ eager to take part in it.
| A．are; are | B．are; is | C．is; are | D．is; is |