I'm afraid we can't work out the math problem________the teacher helps us.
That's true. It's too difficult.( )
if
unless
because
as soon as
As soon as she_______in Nanning, she will call you.( )
arrives
arrive
will arrive
arrived
Our teacher often tells us________in the river. It's dangerous.( )
not swim
not to swim
to swim
swimming
The woman in a hat is______aunt.( )
Jack and John
Jack's and John
Jack's and John's
Jack and John's
﹣﹣Is this your camera?
﹣﹣Yes, I______it for two weeks.( )
bought
had
have had
have bought
_______the map and tell me where Shanghai is.( )
Look around
Look like
Look at
Look out