You can’t imagine this lake used to be a beautiful place in our province .
A.at any time B.at one time C.in no time D.at times
With a lot of problems _______, the principal decided to hold a meeting to have a discussion about them
A.to solve B.being solved C.solving D.solved
He made up his mind to devote his life _____ pollution ______happily.
A.to prevent; to live B.to prevent; from living
C.to preventing; to live D.to preventing; from living
—What did your parents think about your decision?
—They always let me do _____ I think I should.
A.when B.that C.how D.what
Tricks are often ______those who don’t look clever or smart
A.laughed at B.greeted C.played on D.made to
The little boy _____on the mat ____ to his parents that blackbirds had _____their eggs on Mars.
A.lay; lying; lied B.lied; lied; lied
C.laid; laid; laid D.lying; lied; laid