The pen I____ I _____is on my desk, right under my nose.
| A．think; lost | B．thought; had lost |
| C．think; had lost | D．thought; have lost |
It is reported that the number of tourists visiting Hong Kong this year is smaller than ________of last year.
| A．it | B．that | C．one | D．those |
Peter’s application for a visa was rejected because he didn’t follow the right ________.
| A．program | B．procedure | C．pattern | D．content |
Because Michael was walking in the dark alone, he sang to ________ his courage.
| A．hold up | B．take up |
| C．set up | D．keep up |
But for the fact that Mr Smith ________ill yesterday, he would have attended the important meeting.
| A．was | B．be | C．were | D．had been |
In the past three months, Hong Kong ________ the number of tourists from the mainland decline.
| A．witnesses | B．witnessed |
| C．has witnessed | D．was witnessing |