( )1.You have dropped_______“s”in the word“necessary”.
一Oh,______letter“s”is doubled.
A.A;a B.a;the C.an;the D.the;the
( )4. All the drivers must be careful when they are driving to prevent the traffic accident .
A. happen B. to happen
C. from being happened D. from happening
( )5. Ricky was so excited he couldn’t words.
A. that, speak some B. because, say
C. that, say any D. and, say some
( )6. It is to catch the 10 : 00 ship.
A. enough early B. too early
C. much early D. early enough