My cousin Jack explained ____why he didn’tcome to our picnic.

______ about wild plants that they decided to make a trip to Madagascar for further research [ ]

We are going to discuss the way of reading works ____ it is used for real life purposes, and this should give you a better understanding of it.

The boy was so careless that the glass fell from his hand and it ______ on the floor.

I hear it ‘s not easy to get a ticket for Captain America Ⅲ, everyone wants to watch it.—Exactly. You can’t find a ____________ film this year.