____ you start eating in a healthier way, weight control will become much easier．
A．UnlessB．Although
C．BeforeD．Once
She wishes she ___to the cinema last night．
A．wentB．would go
C．had goneD．were going
The old scientist used to say that knowledge ______ from practice．
A．was comingB．comes
C．had comeD．would come
A person _____e-mail account is full won’t be able to send or receive any e-mails．
A．whoB．whom
C．whoseD．whoever
In the last few years, China ____ great achievements in environmental protection．
A．has madeB．had made
C．was makingD．is making
_____ the early flight, we ordered a taxi in advance and got up early．
A．CatchingB．Caught
C．CatchD．To catch
