Sunglasses are used ________ protecting your eyes in sunny days.
A. space B. camp C.safety
A. invite B. lively C. sick
This was a serious problem. The manager _____ and made the decision.A. thought them overB.thought it overC. thought over it
It took us ____ to finish the new work.A. three hour and a halfB. three and a half hourC. three and a half hours
Your penpal is _______ hearing from you.A. listening toB. looking forward toC. hoping to