We were told not to touch the equipment in the laboratory unless ________.
#101834
A
allowed to do
B
allowing to do
C
allowed to
D
allowing to
推荐题目
Since then the number of people taking driving lessons ________ 20％.
#102813
A
has increased to
B
increases by
C
has increased by
D
have increased by
John kept looking at the pretty girl, wondering whether he_________ her somewhere.
#99831
A
saw
B
has seen
C
sees
D
had seen
—The door is still open.—How come? I mean, I _________ to lock it then.
#100493
A
remembered
B
would remember
C
remember
D
had remembered
Every day you _____to yourself: "I have plenty of time. I’ll learn my lesson tomorrow"
#104134
A
said
B
say
C
saying
D
have said
I ______ with my uncle and aunt because my parents have gone abroad for a holiday.
#104972
A
stayed
B
am staying
C
have stayed
D
was staying