Question

Some Math problems are        difficult for the students         work out.

A．so, that

B．not, but

C．such, that

D．too, to

Answer 1

D

試題分析：句意：一些數學難題對于學生太難而算不出來。so…that such…that ,如此……以至于……。that后加從句。not,but。不是……而是。too,to太……而不做……。根據句意，故選D。