—________ you leave your room in such a mess?
—Sorry，Mum.I forgot to tidy it up.
A．Must B．Can
C．Should D．Will
Language learning，________ the expert pointed out in his lecture，is more than remembering words and phrases.
A．as B．which
C．that D．what
Alex changed his mind at the last minute，otherwise we ________ an agreement.
A．should have reached B．could have reached
C．can reach D．should reach
The new driving test seems to be challenging，so the chances ________ he can pass it at the first attempt are small.
A．how B．whether
C．that D．where
He became the ________ of criticism by the readers for his newlypublished book.
A．target B．theme
C．fortune D．figure
________ an hour every day has made a considerable difference to my health.
A．Having walked B．Walk
C．Walking D．Walked
