Glass is obviously a wiser choice for the plate as it can easily be recycled and does not take hundreds of years to _____ like plastic.

What was strange about yesterday—There were black clouds and loud thunder, but _____,it didn’t rain.

Two _______ students came to visit the museum.— The museum attracted people, especially students

Scientists study ____ human brains work to make computers.

Will you get there by ____ train No, I’ll take ______ taxi .