—I'm sorry that I broke your vase.
— ________. Don't worry about it.
A.That's right B.Not at all C.Never mind D.Of course not
The audience enjoyed the lecture ________ by Hans and Einstein joined in the applause too.
A.given B.giving C.to give D.gave
If you get too worried, your brain will slow down and your memory will become ________.
A.sharp B.less sharp C.sharper D.sharply
Wang Damin still enjoys working ________ he is over 65.
A.so B.unless C.though D.since
The Hotel Whale is ________ the shape of a whale.
A.on B.with C.in D.to
—________ will he be back if I wait?
—In a moment
A.How often B.How far C.How long D.How soon
