A lot of language learning，__________ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.
| A．as | B．it |
| C．which | D．this |
－Have you finished your experiment report, Jane?
－Oh, my God. I’ve _______ forgotten all about that.
| A．strongly | B．extremely | C．entirely | D．freely |
--What can I do for you,sir?
----I”d like to see the manager ________of sales department.
| A．in the charge | B．in charge | C．is in charge | D．under charge |
The scientist decided to devote his life to ____ pollution from ____ again.
| A．preventing; happening | B．prevent; happen |
| C．preventing; happens | D．preventing; will happen |
Tom kept silent about the accident _________ lose his job.
| A．so not as to | B．in order not to | C．in order to not | D．not so as to |
Iraq has ______ too many wars since 1990, making his people _______ a lot.
| A．got through; pay | B．looked through; face |
| C．gone through; suffer | D．passed through; destroy |