I tried to call on you last week but your dog simply ____ not let me come through the gate.
| A．could | B．would | C．might | D．should |
Jessica has always been honest and straightforward, and it doesn’t matter ______ that she’s talking to.
| A．who is it | B．who it is | C．it is who | D．it is whom |
——John always thinks of others instead of himself.
—— So he does. It is _______ of him to want to help others.
| A．aggressive | B．conventional | C．evident | D．typical |
Scientific researches show that to _________ a language one had better often get exposed to it.
| A．acknowledge | B．access | C．acquire | D．assess |
Recently a survey ____ prices of the same goods in two different supermarkets has caused a heated discussion among citizens.
| A．comparing | B．compared | C．compares | D．being compared |
With international ______ and education exchanges increasing every year, the number of Chinese students studying abroad has increased rapidly.
| A．cooperation | B．competition | C．construction | D．conflict |