Expressing Ability.

1_Although it contains many difficult words, I ___ read this book now.
a) can
b) could
c) may

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2_But I ___ have read it last year.
a) mayn't
b) couldn't
c) can't

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3_Because there were many long words which I ___ understand.
a) couldn't
b) can't
c) aren't able to

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4_When you receive the new books ___ try to read one of them?
a) can I
b) could I
c) may

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5_I ___ understand why you won't let me.
a) couldn't
b) can't
c) mayn't

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6_Can you find your way to the hotel? Yes I ___.
a) could
b) am able
c) can

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7_Can you pronounce my name properly? I ___ if you would speak more slowly.
a) could
b) may
c) can

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8_Are you strong enough to lift that box.? Yes, I ___.
a) could
b) am
c) can

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9_Will you speak more clearly please? I ___ hardly hear you at all.
a) could
b) an
c) can't

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10_I ___ only listen to my radio when my mother was not at home.
a) did
b) can
c) could

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11_Can you fix my car today? Yes, I ___.
a) may
b) could
c) can

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12_I ___ do that because I will get a sunburn.
a) can't
b) couldn't
c) can

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13_Is it low enough ___ you to be able to step over it?
a) to
b) for
c) of

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14_I ___ reach that apple, I'll have to use a ladder.
a) don't
b) can't
c) couldn't

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15____ you just jump?
a) Can't
b) Don't

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16_I ___ have known when she was coming home because I didn't have a watch.
a) can't
b) couldn't
c) won't

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