Sorry, I ________ a mistake. Let me correct it.
will make
am making
was making
have made
In China, we are using the FAST to find stars ______. Now more and more people want to know about the largest radio telescope(望远镜) in the world.( )
in person
in public
in space
If one of your friends sends you a message to borrow money on the Internet, you'd better phone him ______first to make sure of that.( )
recently
directly
finally
Reading the first ______ of each paragraph before you read the whole text helps you get the main idea quickly.( )
letter
word
sentence
Whoever he is, a common man can be called a ______ hero when he is admired by us for doing something brave or good.( )
real
smart
perfect
If a student is able to ______ somebody else what he's learnt from textbooks, it shows he's understood it well.( )
post
lend
teach