成釉细胞瘤的生物学特点为A．良性肿瘤、无浸润B．缓慢生长、无浸润C．良性肿瘤、有局部浸润D．恶性肿瘤E

This nurse was ______ when you were sent to the hospital.

A．in turn

B．in practice

C．on duty

D．on business

A．faulty

B．large

C．inner

D．outer

You were opposed to ______ her to go to the library with us, weren't you？ (invite)

A．will send; are

B．sent; were

C．send; are

D．would send; were

The consignment certainly does not match the samples ____ you sent us last month.

A．these

B．-

C．what

D．when

Dear Sirs,

We were very surprised to learn from your call today that one of the books you ordered was damaged. We called our warehouse manager this afternoon and he confirmed that a new replacement will be delivered to you by DHL by tomorrow (147) the latest.

We truly regret the damaged delivery and the inconvenience it (148) you.

We have (149) taken the matter up with DHL and are sure that this will not happen again not only to you, but also to all our cherished readers.

Meanwhile, may we suggest that you trust us again and do business with us continuously.

(47)

A．at

B．to

C．for

D．in