e really should do more exercises from now on ____, I hope he could get oversoon

Some of the students are not sure ___ spelling the word, while others are not sure ___ the use of some grammatical rules

If you want to know further information, you can email me ______Tianmao@l63. com. or call me______0759-3342839.

and we’ll finish the work on time

as I know, quite a few creatures in this film are not real at all, and a lot of ________ happens is imaginary.