The country has already sent up three unmanned spacecraft, the most recent__at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
________ you prefer, I'll give it to you. But we haven't any other models for you to choose from.
| A．Whatever | B．Whenever | C．Whichever | D．However |
For me traveling to Antarctica proved to be the beginning of a new life, ________ I had thought I would never see.
| A．what | B．that | C．one | D．it |
It was ________ surprise that my first teacher, already 90, was still living and in ________ good health.
| A．the; a | B．/; a | C．a; / | D．a; the |
He _________in the early morning so he packed everything he needed the night before.
| A．leaves | B．had left | C．was leaving | D．has left |
_________time did we have that we must hurry up.
| A．So much | B．Too much | C．Too little | D．So little |