---Does your brother always work so hard?

---Yes.______ he catches a cold or has a fever sometimes

A. whenever　　　　B. no matter how　C. even though　　D. although　　

---Does your brother always work so hard?

---Yes.______ he catches a cold or has a fever sometimes

1. A.
   whenever
2. B.
   no matter how
3. C.
   even though
4. D.
   although

—Does your brother always work so hard?

—Yes,        he catches a cold or has a fever sometimes.

A．whenever         B．no matter how         C．even though     D．although