问题:
______ difficult it is, he is determined to ______ the experiment.
A.No matter how; have a go at
B.However; have a go for
C.Whatever ; have a go
D.No matter what; have a go at
______ difficult it is, he is determined to ______ the experiment.
A.No matter how; have a go at | B.However; have a go for |
C.Whatever ; have a go | D.No matter what; have a go at |
参考答案: