Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.
Mrs.Smith was much disappointed to find the washing machine she had had _______ went wrong again.A.it B.repairedC.it repaired C.to be repaired
_________ his age,he did it quite well,so don’t _________ him any more.
He claimed _________ in the supermarket when he was doing shopping yesterday.
__________,the thief was caught by the students.
Cars moved very slowly in the 1930s,but they _________ faster than in the 1920s.