Samuel, the tallest boy in our class, ______ easily reach the books on the top shelf.
must
should
can
need
Since the time humankind started gardening, we _____to make our environment more beautiful.
We won’t start the work until all the preparations __________.
Sofia looked around at all the faces: she had the impression that she _____ most of the guests before.
James has just arrived, but I didn’t know he _______ until yesterday.
During his stay in Xi’an, Jerry tried almost all the local foods his friends ________,