___ we know, smoking is harmful to one's health
A: when
B: that
C: which
D: as
A: when
B: that
C: which
D: as
举一反三
- It's harmful to one's health to ______ smoking and drinking. A: take on B: take to C: take in D: take off
- It is known to us that smoking is harmful to one's health.____________________________, smoking is harmful to one's health.
- Smoking, _______ is harmful for people’s health, is nevertheless popular nowadays A: though B: that C: although D: which
- Smoking is harmful one's health.
- Cigarette smoking is detrimental to one's health; ___________.