When’s your birthday?—My birthday is _ March. [ ]

I called you yesterday evening, but there was no answer.—Oh, I’m sorry. I ________ dinner in my friend’s home.

Take care! Don’t get the oil on your clothes, for it _______ easily.

The reason _____ he was driving his car so fast was _____ he would be late.

The space is left to let the rail expand when it gets hot, ______?