Before my father moved off, he told me again and again that I should ________ the rules and regulations of the school.
#10840
A
make
B
watch
C
remain
D
observe
推荐题目
 I called you up last night but I couldn’t _____________.
#12534
A
get through
B
ring back
C
ring off
D
hang on
— I heard the phone ringing in the office next door. — You _______ it. They haven’t got a phone yet.
#11786
A
couldn’t hear
B
couldn’t have heard
C
didn’t hear
D
wouldn’t have heard