13.I____ until he told me to.A)leftB) didn’t leave C)hadn’t leftD) would leave
A. left
B. didn’t leave
C. hadn’t left
D. would leave
查看答案
14His anger was_____serious that he stood there speechless.A) so B) very C)as D)such
A. so
B. very
C. as
D. such
15、______we know, there are 107 elements found in nature.A) So long asB) As farC) So far asD)Just as
A. So long as
B. As far
C. So far as
D. Just a
16.This test is for students_____native language is not English.A) whoseB) thatC) of whomD) which
A. whose
B. that
C. of whom
D. which
17、Our aim is to make the electricity ______the people better.A) serveB)servedC) to serveD) serve for
A. serve
B. served
C. to serve
D. serve for