--- You've finally figured out the puzzle！
--- Yeah, in a complex way, _______.
| A．too | B．yet | C．either | D．though |
I still remember the days___ I spent ______ with you in Beijing．
| A．when; staying | B．what; to stay |
| C．that; staying | D．during; to stay |
In the face of _____ failure, it is vital that we should keep up _____ good state of mind．
| A．a; / | B．/; a | C．the; / | D．/; the |
Her handbag is on her desk. She ____ back home.
| A．must go | B．can’t go | C．must have gone | D．can’t have gone |
He seems ____ something valuable. He looks so worried.
| A．has lost | B．to lose | C．to be losing | D．to have lost |
Don’t take her seriously, she’s just ____.
| A．acted out | B．acted up | C．acting out | D．acting up |