Before going abroad he devoted all he could _______ his oral English.
| A．improve | B．to improve |
| C．improving | D．to improving |
I regret ______ those weight-loss pills, because I am now in hospital．
| A．to take | B．taking | C．taken | D．take |
Walking and riding your bike count, and ______ ．
| A．so school sports do | B．so do school sports |
| C．so school sports did | D．so did school sports |
Healthy eating along with regular exercise _______ important for your health．
| A．is | B．are | C．was | D．were |
Experts suggest that teenagers _____ at least 30 minutes exercising, five times a week.
| A．have spent | B．should spend |
| C．will spend | D．would spend |
As ______ matter of fact, Mr. Wang is in _____charge of this special school at present.
| A．the; the | B．a; the |
| C．/; the | D．a; / |