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52. ____ either he or I to attend the mass meeting this evening. 

A. is          B. am           C. are           D. be

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51. Either he or I ____ to attend the mass meeting this evening.

A. is          B. am           C. are           D. be

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50. To play basketball and to go swimming ____ useful for character-training.

A. was        B. is            C. are           D. were

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49. Early to bed and early to rise ____ a good habit. 

A. are         B. is            C. were         D. was

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48. Both rice and wheat ____ grown in that country.

A. is          B. are            C. was          D. has

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47. They both have some friends; but his ____ more active.

A. is             B. will be           C. was          D. are

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46. The following ____ some other examples.  

A. are         B. is            C. was          D. were

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45. My family ____ small.     

A. is         B. were         C. are           D. makes

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44. Mathematics ____ the language of science.  

A. are            B. are going to be      C. is            D. is to be

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43. ____ either of your parents come to see you recently?

A. Have           B. Had          C. Has          D. Is

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