Choose the right word for each sentence:
The students have …. studied the new rules.
A. yet B. last monthC. alreadyD. now
Did you do the test well …… ?
A .yesterdayB. usuallyC. alreadyD. recently
Scientists have described about 1mln different animals …… .
A.just B. neverC. so farD. last year
Have you fed your pet … ?
A.last monthB. yetC. neverD. often
We discussed a very interesting project…… .
A.latelyB. at the last lessonC. neverD. often