Why not look up the new word in a dictionary _____ you don’t know it ?
A. if B. that C. though D. whether
No one is allowed ____ the room in the daytime..
A. to be entered B. to enter C. entering D. enter
In the middle of the night, we ______signals for help from another ship.
A. picked out B. picked up C. picked on D. picked at
Three hours with your girl friend _____to be a short time.
A．seem B．seems C．is seeming D．has seemed
One of the few things you __ _ say about English people with certainty is that they talk a lot about the weather.
A. need B. must C. should D. can
Whenever I met him, ____ was fairly often, I like his sweet and hopeful smile.
A.what B.that C.which D.when
