—Oh,it’s you!I didn’t________ you.
—We haven’t seen each other for several years.Glad to meet you again.
A.realize | B.recognize | C.know | D.see |
Substances will expand or contract ______ heated or cooled, but this is not the case with water.
A.when they will be | B.if they will be |
C.as they being | D.when |
You can arrive in Beijing earlier for the meeting __ you don’t mind taking the night train.
A.provided | B.unless | C.though | D.until |
The old woman has loved Tom _____ he were her son.
A.because | B.as | C.if | D.as though |
She heard a terrible noise, ___brought her heart into her mouth.
A.it | B.which | C.this | D.that |
They agreed to rent the house ______ the roof should be repaired.
A.on condition that | B.as soon as | C.when | D.unless |