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
That Jill was worried seemed _____ to everyone present at the meeting.
A. constant B. evident C. previous D. rough
Having finished her project ,she was invited by the school______ to the new students.
A. speaking B. having spoken C. to speak D. to have spoken
The calculations, had they been done by hand, ______all practical value by the time they were finished.
A. had lost B. would lose C. should have lost D. would have lost
After school we went to the reading-room to do some reading ,only to be told that it _______.
A. was decorated B. had decorated
C. had been decorating D. was being decorated
You had better ______some time every day for sports so that you can keep yourself energetic.
A. set aside B. take up C. put away D. give out
