You won’t pass the English exam ___________ you study hard.
A. if B. so C. unless
— Linling, _____toy car is that?
—It is______.
A. who’s ; hers B. whose ;mine C. whose; her
—What class are you in ?
—I’m in_______.
A. class two, grade seven
B. Class Two, Grade Seven
C. Class two, Grade seven
His name ____Jack and Li Ying and Zhang Mei _______his friends.
A. is ; are B. is ; is C. are ;is
下列各组字母中，全部是元音字母的是_____.
A. a, e, r B. i, u, e C. o, p, u
Sam spends two hours _______ his homework every day.
| A．to do | B．doing | C．do | D．Does |