When shall I call, in the morning or afternoon—-_____. I’ll be in all day.

The early pioneers had to _____ many difficulties to settle down on the new land.

The newly-founded chess club formally _____ us to attend the opening ceremony. [ ]

I wonder if your brother likes to play football. If he does, so _______ mine.

It is said that this is the biggest lab ________ they have ever built in their school.