The environment is getting worse in the present days, so the government must take _______ to stop people _______ too many trees．
A．methods; to destroy B．methods; from destroying
C．measures; from destroying D．measures; to destroy
_____ troubles me most right now is____ I can’t remember where I have put my car keys．
A．That ;what B．What;that C．What;what D．That;that
What you are saying is not ____ to the question under discussion．Please think twice before you make any suggestions．
A．strange B．common C．familiar D．relevant
I must go home now, _______ I have many exercises to _______．
A．for; do B．since; to be done C．since; doing D．for; to be done
With so many evidence against him he had to____ his errors openly．
A．refuse B．acknowlege C．declare D．recognize
—It is high time that we _______ to school．
—If only the alarm clock _______!
A．should go; rung B．shall go; had rung
C．shall go; rung D．should go; had rung
