“I haven't heard from Henry for a long time.” “What do you suppose_____ to him?”
| A．was happening | B．to happen | C．has happened | D．had happened |
Qian Xuesen tried many times _________ he found the solution to the puzzle about space technology.
| A．after | B．before | C．since | D．when |
Thosethe exam cheat mustanother exam tomorrow afternoon.
| A．related to; get into | B．absorbed in; get through |
| C．connected with; get over | D．involved in; get through |
He admitteda lie in order to avoid.
| A．having told ;punishing | B．telling ;punished |
| C．to have told ;being punished | D．having told ;being punished |
I your success although you are in difficulty now.
| A．am sure of | B．make sure | C．am sure that | D．make sure that |
He feels happy that he can earnhe did ten years ago.
A twice that B. twice what C. twice than what D. twice than that