Students from other schools can’t borrow books in our library ______they fill in an application card.
A.if B.unless C.now that D.as soon as
The movie didn’t attract many people at first. ______ it turned out to be a great success at last.
A.so B.or C.but D.for
To keep safe, the doctors ______ take all the passengers’ temperature at the entrance.
A.must B.can C.may D.need
The robot can serve customers in restaurants. ______ quickly the technology develops!
A.How B.What a C.What an D.What
At first, the virus (病毒) spread much ______ than people thought.
A.fast B.faster C.fastest D.the fastest
The music sounds ______. You should turn off the radio so as not to disturb others.
A.loudly B.terrible C.gently D.wonderful