If you take a vacation this summer,so______I.( )
will
do
am
There ________ something wrong with my mobile phone. It can't work these days.( )
must be
can't be
may be
________ you keep moving, you'll never reach the top of the mountain.( )
If
Although
Unless
I asked him a question, but he didn't reply.
Maybe he ________about something else while you were asking.( )
thought
thinks
was thinking
The song Dream It Possible often reminds me that we should always try our best and never ________catching our dreams.( )
give up
take up
put up
What should we pay attention to ________mistakes during the exams?
Some details.( )
avoiding making
avoid to make
to avoid making