American students have ______ weeks ______ in summer holiday than Chinese students.
—Hi, Jack, there is ________ useful book on the desk. Whose book is it? — It belongs to my brother. A. a B. an C. the
---What did the man ask you? ---He asked ______. A. how can he get to the school B. how he can get to the school C. which was the way to the school
Lushan is a good school ______ I will never forget. A. which B. where C. who
There are some birds_________ happily in the trees. A. sing B. are singing C. singing
______ good advice you have given to me! A. What B. How C. What a