---I called you at 4:00 yesterday afternoon, but nobody answered.
---Sorry, I ______ with my friends at that time.
| A．had swum | B．swam |
| C．would swim | D．was swimming |
－What would you like to drink ?－It doesn’t matter. _______will do .
| A．Nothing | B．None | C．Something | D．Anything |
The government spends _________ money protecting endangered animals
| A．a number of | B．many | C．large numbers of | D．plenty of |
—Hi，dear! I’m phoning to_________ you that it is time to take your medicine．
—Thank you．
| A．remind | B．remember | C．advise | D．order |
—I feel blue these days.
—Why? What makes you so _________? Cheer up, please.
| A．happy | B．sad | C．jealous | D．powerful |
Daniel is ________ to solve this problem, I believe.
| A．enough smart | B．too smart | C．silly enough | D．clever enough |