They       about eight hundred English words by the end of last term.

A．will learn                 B．had learned

C．a(chǎn)re going to learn                  D．have learned

They ________ about eight hundred English words by the end of last term．

1. A.
   will learn
2. B.
   had learned
3. C.
   are going to learn
4. D.
   have learned