This disaster ______ that people had no knowledge of first aid and they hadn’t known how to protect them-selves in face of danger.
A.led to | B.contributed to | C.resulted in | D.lay in |
His wife was busy cooking while he watched TV ________ comfortably in the sofa.
A.seat | B.to seat | C.seating | D.seated |
Don’t you think the world would be an easier place to live in, if we all ________ the same language?
A.speak | B.had spoken | C.spoke | D.would speak |
Knowing ________ you’re good at and doing even more of it creates excellence.
A.where | B.which | C.what | D.that |
It is a wise father ________ knows his child.
A.that | B.which | C.what | D.whom |
—May I smoke here?
—Choose a seat in the smoking section, if you ________.
A.should | B.must | C.can | D.may |