What the science teacher does and says _________ of great importance to college students.
| A．was | B．are | C．is | D．were |
-When ______ and visit our exhibition next month ?
-When _______ , I will let you know .
| A．will he come ; he will come | B．will he come ; he comes |
| C．does he come ; he will come | D．does he come ; he comes |
-When ______ and visit our exhibition next month ?
-When _______ , I will let you know .
| A．will he come ; he will come | B．will he come ; he comes |
| C．does he come ; he will come | D．does he come ; he comes |
---How long _______ each other before they ________ married ?
-- -For about a year .
| A．have they known ; get | B．did they know ; were going to get |
| C．do they know ; are going to get | D．had they known ; got |
---How long _______ each other before they ________ married ?
-- -For about a year .
| A．have they known ; get | B．did they know ; were going to get |
| C．do they know ; are going to get | D．had they known ; got |
I really wonder ______ he has posted me many parcels _____ we worked together .
| A．how ; after | B．why ; when | C．when ; before | D．why ; since |