Many developed countries have agreed to help the less developed ones but it remains ________ whether they will take action or not.
A.to see | B.to be seen | C.seeing | D.seen |
It is widely believed among bioengineers _____ it will be possible to create life under laboratory conditions.
A.which | B.what | C.that | D.when |
Teaching ___ child to cook will improve many of ___ skills that he or she will need later in life.
A./; the | B.a; the | C.a ; / | D.the; a |
—Rather than ___ on a crowded bus, he always prefers ___ a bicycle.
A.ride; to ride | B.riding; ride | C.ride; ride | D.to ride; Riding |
Kate didn’t come yesterday, or you ________ her.
A.would see | B.were to see | C.had seen | D.might have seen |
I walked in our garden, ________Tom and Jim were tying a big sign onto one of the trees.
A.which | B.when | C.where | D.that |