—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
—Now the weight. Only 115. You’d better put on a few pounds.—Well, actually, I ________ like a horse.
I can hardly remember any occasions _______ I get caught in a traffic jam in our town.
—Where have you been all day?—I _______ some former classmates and I couldn’t get back until it was dark.
The process of producing electricity may also give out CO2, _______ you heat your house with electricity instead of charcoal.
—How much of the foreign expert’s speech have you understood?—Next to nothing. I wish I _______ harder at English.