21．I knew nothing of the decision because it was made in my ________.
A．absence B．attendance C．presence D．appearance
22．—I spent two weeks in London last summer.
—Then you must have visited the British Museum during your stay, ________ you?
A．mustn't B．haven't C．didn't D．hadn't
23. Jack almost fell off the cliff, but managed to ________ until help came.
A．keep on B．catch on C．count on D．hang on
24．I have a tight ________ for the trip, so I'm not going to fly unless the airlines lower ticket prices.
A．routine B．aspect C．budget D．target
25．—How was your trip to London?
—Great. I was helped by an organization. Otherwise, I ________ it.
A．wouldn't afford B．hadn't afforded
C．wouldn't have afforded D．needn't have afforded
26．—I'd thought you couldn't deal with the situation.
—On the contrary, it is quite ________ my power.
A．beyond B．within C．under D．over
27．—I'm thinking of my driving test tomorrow. I'm afraid I can't pass it again.
—________. I'm sure you'll make it this time.
A．Cheer up B．Good idea C．No problem D．Go ahead
