We can’t ____ the punctual arrival of trains in foggy weather.
#18962
A
be sure
B
guard
C
guarantee
D
make sure
推荐题目
Don’t talk to Simon like that. He is just an _______ boy. 
#34955
A
eleven years old
B
eleven –years – old
C
eleven- year- old
D
eleven years-old
________ students are required to take part in the boat race.
#17776
A
Ten strong young Chinese
B
Ten Chinese strong young
C
Chinese ten young strong
D
Young strong ten Chinese
 He never wrote ________ his first one again.
#17780
A
as good book as
B
such good a book as
C
so good a book as
D
such good book as