We’ll go to the park to have s picnic ____ it rains.A. ifB. unlessC. besidesD whether
Sometimes I find it necessary to ______ at night because of too much homework.
Paul would rather ______ at home than go walking. This makes his wife _____ much worried.
______ Lin Fang has to work extra hours, she always wears a smile on her face.
— Could you tell me ______?— Sure. Go along this street and you will find it on your left.
More than 1900 people in Africa have _______ the Ebola virus now and there is still no medicine_____ Ebola.