16、The balls are solid, makes them very heavy.
0 r+ D- d# J5 v1 N* e5 i, L8 r/ } A.it B.what C.which D.that
, s. T# C& |/ A7 O/ S. P5 V 17、Is this calculator you borrowed from Jane?- q; S/ a8 g" O) z# d8 t9 i: B4 r% Q
A.which B.one C.the one D.what 8 J, l% J6 W# a! o2 j8 P2 h
18、The scientist and his achievements you told me about are admired by us.# {% U9 Y/ Y. R7 W7 \+ R' J6 X
A.who B.that C.which D. /, `" x8 W1 v& ]+ a0 `7 R- H# A
19、I suppose the theory he stuck correct.
% W, \8 Y1 A, ?; i A.to prove B.to proving C.to proved D.prove
# Y f$ b% O+ R" C5 Q, k 20、He is working hard, will make him pass the final exam.+ h) }$ B8 Q% t/ w
A.who B.that C.which D.it9 \! f. n; R5 @% ?- g, e i
16、C 17、C 18、B
: M0 n2 N* v# W* w: J" B$ K0 g, X$ E* G 19、C 20、C |