_________you’ve known the importance of it, you should try your best to do it.
| A．So that | B．Now that | C．Now then | D．After that |
Go on ______ the other exercise after you have finished this one.
| A．to do | B．doing | C．with | D．to be doing. |
We grow all our own fruit and vegetables, ____ saves money, of course.
A asB. which C. thatD. what
If you have some difficulties ____ your grammar, you had better ask your teacher ____.
| A．in; on some advice | B．for; for some advices |
| C．on; some advice | D．with; for some advice |
--- How are you getting along with your studies?
--- Not very well, ____.
| A．of course | B．I'm sure | C．I'm afraid | D．on the other hand |
______ more attention, the tree could have grown better.
| A．Given | B．To give | C．Giving | D．Having given |