The problem is not ___ we leave, but ____ we can get there.

A. by whom

B. for whom

C. through which

D. in which

A. who

B. whose

C. of which

D. of whom

A. be

B. am

C. was

D. were

A. any topic

B. which topic

C. whichever topic

D. the topic he thought it

A. never had felt tired

B. had never felt tired

C. never felt tired

D. was tired neve

A. seem to be

B. is

C. are

D. were

A. speak

B. spoke

C. will speak

D. to speak

A. that

B. where

C. which

D. when

A. will he be

B. does he come

C. he will be

D. did he come

A. repairing

B. it repaired

C. repaired

D. to be repaired