A cool rain was falling, _____________ with snow, causing heavy traffic．
| A．mixing | B．mixed | C．to mix | D．having mixed |
They’ve made full preparations, but it remains ______whether they will be able to do a good job in the experiment.
| A．to see | B．seen | C．being seen | D．to be seen |
The blue sky of the holiday brochure was such a ______this rainy March day.
| A．compare with | B．compare to | C．contrast to | D．contrast as |
Who will be in charge in ______ of our boss?
| A．absence | B．the absence | C．absences | D．an absence |
Everything seemed to be going ______for the first two days after I moved to New York.
| A．vividly | B．generally | C．frequently | D．smoothly |
Team leaders must ensure that all members ______their natural desire to avoid the embarrassment associated with making mistakes.
| A．get over | B．look over | C．take over | D．come over |