I am waiting for my friend. ______ ， I will go swimming alone.
A. If he doesn’t come B. If he won’t come
C. If he hasn’t come D. If he isn’t coming
Would you mind _____ me how _____ this physics problem ?
A. telling; to solve B. telling; solve
C. to tell; to solve D. to tell; solve
He is so careless that he often ______ his school things at home.
A. puts B. forgets C. takes D. leaves
—I think Mr Li may be in his office.
—No， he ____ be there. I saw him _____ just now.
A. needn’t; left B. mustn’t; leaving
C. can’t; leave D. shouldn’t; leave
—What do you think of the new bridge?
—I have never seen _____ before.
A. so a long one B. so long one
C. such a long one D. a such long one
—Happy Teachers’ Day! Ms Li ，here are some flowers for you.
— _____ beautiful flowers they are! Thank you!
A. How B. How a C. What D. What a
