Over the past 40 years, 29 other Chinese people ____ Mount Qomolangma successfully.
| A．climbed | B．have climbed | C．had climbed | D．climb |
The seawater takes ____ a lot of heat in summer.
| A．up | B．in | C．over | D．off |
That was the first time I _______ there and I was impressed by the friendly people very much.
| A．go | B．was going | C．had gone | D．have gone |
Jane has been so _______ in getting used to everything that she hasn’t had time for social activities.
| A．confused | B．worried | C．devoted | D．occupied |
To qualify yourself for this kind of new job, I recommend that you _____ some online courses.
| A．to take | B．taking | C．take | D．would take |
You can easily find the line, which is _______ with an arrow.
| A．noted | B．made | C．signed | D．marked |