The theory _____ by Einstein was later to prove true, but at that time few people could accept it .

My mom is a wonderful _____.The food she cooks tastes ______.

1The computer is broken. ＿＿＿ it＿＿＿today?

ave man died,________ his young wifenothing but a________ cottage

Driving in rush hour traffic ______ be very dangerous, so you _____ be too careless.