The trip from the school ________ about two hours by bus.It was too _________.
—______ did Samuel stand by the window so long?—To see what would happen.
—What else do you need for the trip, Mum?—______ else. I think we have got everything ready.
Nanjing Underground Line 10 ______ on the morning of February 27th, 2014.
—Are you sure you have to? It’s been very late.—I don’t know ______ if not now.
I ______ use a clock to wake me up because at six o’clock each morning the first train passes by my house.