sigh over the small achievement_____ , and I’m sure if you keep at it, you’ll see the light at the end of thetunnel!

We should _______ whatever is true.

She went to the game late .______she left her ticket at home .

Some students have trouble ____ grammar while others have difficulty ____ new words[ ]

Excuse me, could you tell me ________ tofly to Guilin— About two hours.